Qhov zoo tshaj plawsKomatsu thoob hniav rau kev khawb avthiab cov av pob zeb siv tau zoo heev rau kev cuam tshuam thiab kev sib txhuam. Cov chaw tsim khoom tsim cov hniav Komatsu no nrog kev tsim kho kom ruaj khov, cov hlau tshwj xeeb, thiab cov lus qhia txhawb nqa. Acov hniav khawb av uas hnav tsis taus siabyog qhov tseem ceeb heev. Nws ua kom muaj kev nkag mus zoo thiab ua haujlwm ntev dua hauv cov xwm txheej nyuaj.
Cov Ntsiab Lus Tseem Ceeb
- Xaiv Komatsucov hniav thoobua los ntawm cov ntaub ntawv muaj zog. Lawv xav tau cov qauv tsim tshwj xeeb los tswj cov pob zeb tawv thiab cov haujlwm khawb av nyuaj.
- Siv hom hniav thoob kom phim rau hauv av uas koj tab tom khawb. Tsis tas li ntawd, xav txog qhov loj ntawm koj lub tshuab kom tau qhov ua tau zoo tshaj plaws.
- Xyuas koj cov hniav thoob ntau zaus thiab teeb tsa kom raug. Qhov no pab kom lawv kav ntev dua thiab ua kom koj txoj haujlwm khiav tau zoo.
Nkag Siab Txog Kev Xav Tau ntawm Komatsu Bucket Tooth hauv Cov Av Pob Zeb & Kev Khawb Av
Kev khawb av thiab cov av pob zeb ua rau muaj kev ntxhov siab heev rau cov khoom siv. Cov hniav thoob Komatsu ntsib teeb meem tas li. Lawv yuav tsum nyiaj dhau ob hom kev hnav tseem ceeb: kev cuam tshuam thiab kev puas tsuaj. Kev nkag siab txog cov zog no pab xaiv cov cuab yeej zoo.
Kev Cuam Tshuam Piv rau Kev Sib Nraus Hauv Ib puag ncig Nyuaj Siab
Kev cuam tshuam tshwm sim thaum muajKomatsu thoob hniavNtaus pob zeb tawv lossis lwm yam khoom tawv. Qhov no yog kev ntaus sai sai thiab muaj zog. Nws tuaj yeem ua rau cov hniav tawg, tawg, lossis tawg. Kev txhuam tshwm sim thaum cov hniav khawb lossis sib tsoo rau cov khoom siv txhuam xws li xuab zeb, xuab zeb, lossis pob zeb ntxhib. Qhov kev ua no maj mam ua rau cov khoom siv hniav puas tsuaj. Ob qho tib si kev cuam tshuam thiab kev txhuam yog qhov tshwm sim hauv kev khawb av thiab khawb pob zeb. Lub thoob Komatsu zoo yuav tsum tiv taus ob hom kev puas tsuaj zoo.
Cov txiaj ntsig ntawm kev xaiv cov hniav thoob Komatsu tsis zoo
Xaiv cov hniav thoob Komatsu tsis raug yuav ua rau muaj teeb meem loj. Yog tias cov khoom siv tsis zoo, cov hniav yuav lwj sai. Lawv yuav tawg yooj yim. Siv cov hniav thoob tsis raug, xws li rau kev prying lossis hammering, ua rau muaj kev puas tsuaj. Kev thauj khoom ntau dhau ntawm lub thoob kuj ua rau hnav ntau dhau. Qhov loj me lossis cov duab tsis raug ntawm cov hniav tuaj yeem ua rau muaj kev faib khoom tsis sib xws. Qhov no ua rau hnav sai dua rau qee qhov chaw. Cov teeb meem no ua rau cov nqi kho thiabtxo qhov ua tau zoo ntawm kev tsim khoom. Nrhiav cov qhov tsis zoo ntawm cov hniav bucketyog qhov tseem ceeb heev. Nws ua kom cov khoom siv khawb av ua haujlwm li qub. Qhov tseem ceeb tshaj, nws tiv thaiv kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv. Kev xaiv kom zoo yuav tiv thaiv cov txiaj ntsig kim thiab txaus ntshai no.
Cov yam ntxwv tseem ceeb ntawm Komatsu Bucket Tooth rau cov xwm txheej hnyav
Komatsu thoob hniavyuav tsum ua tau zoo nyob rau hauv ib puag ncig nyuaj. Lawv xav tau cov yam ntxwv tshwj xeeb los daws cov xwm txheej hnyav. Cov yam ntxwv no suav nrog cov ntaub ntawv muaj zog, cov qauv tsim ntse, thiab cov hau kev ruaj ntseg los txuas lawv.
Cov Khoom Siv Sib xyaw thiab Hardness ntawm Komatsu Bucket Tooth
Cov ntaub ntawv siv rau cov hniav thoob yog qhov tseem ceeb heev. Cov hniav zoo feem ntau yog ua los ntawmhlau alloy los yog hlau manganese siab. Cov ntaub ntawv no muaj kev tiv thaiv kev hnav zoo heev thiab kev tawv. Qhov no yog qhov tseem ceeb rau cov xwm txheej kev khawb av uas muaj kev cuam tshuam loj. Cov hniav thoob Komatsu feem ntau sivcov hlau manganese alloy uas muaj zog heev. Cov khoom siv no yog qhov zoo tshaj plaws rau kev cuam tshuam thiab kev tiv taus hauv cov av pob zeb lossis cov av abrasive. Cov hlau forged alloy kuj yog tus qauv kev lag luam. Nws muab lub zog zoo dua, kev ruaj khov, thiab kev tiv taus kev cuam tshuam. Kev forging ua rau cov hlau muaj zog dua los ntawm kev sib dhos nws cov noob nplej. Nws kuj tshem tawm cov hnab cua, uas txhim kho kev tiv taus kev cuam tshuam.
Cov chaw tsim khoom siv cua sov kho cov hlau no. Cov txheej txheem no tsim kom muaj qhov nyuaj sib xws thoob plaws hauv cov hniav. Qhov nyuaj no feem ntau yog txij li45 txog 55 HRC(Rockwell C hardness). Cov hlau muaj cov pa roj carbon ntau, feem ntau yog 0.3% txog 0.5%. Nws kuj muaj cov khoom sib xyaw xws li chromium, nickel, thiab molybdenum. Qhov sib xyaw no muab qhov sib npaug zoo tshaj plaws ntawm qhov nyuaj rau kev tiv thaiv kev hnav. Nws kuj muab kev tawv kom tiv taus kev tawg thaum muaj kev cuam tshuam. Piv txwv li, ibqib khoom sivzoo li T3 muab lub neej hnav ntev dua. Nws muaj qhov nyuaj ntawm 48-52 HRC thiab lub zog tensile ntawm 1550 MPa.
| Qib Khoom Siv | Qhov nyuaj (HRC) | Kev cuam tshuam V-Notch (akv>=J) | Lub zog tensile (> = Mpa) | Kev ntev (>=%) | Lub Zog Tawm (>=N/mm2) | Hnav Lub Neej Sib Piv Rau Qib 2 |
|---|---|---|---|---|---|---|
| T1 | 47-52 | 16 | 1499 xyoo | 3 | 1040 | 2/3 |
| T2 | 48-52 | 20 | 1500 xyoo | 4 | 1100 | 1 (Pom zoo rau lub hom phiaj dav dav) |
| T3 | 48-52 | 20 | 1550 xyoo | 5 | 1100 | 1.3 (Cov khoom siv zoo tshaj plaws rau kev hnav ntev) |
Kev Tsim Qauv Zoo Tshaj Plaws rau Komatsu Bucket Tooth
Lub duab ntawm cov hniav thoob muaj feem cuam tshuam rau nws txoj kev ua haujlwm. Cov hniav uas tsim tau zoo yuav nkag mus rau hauv cov khoom tawv tau yooj yim dua. Nws kuj txo qhov hnav. Cov hniav ntse dua yuav ua rau kev ua haujlwm zoo dua hauv cov av ntom. Qhov no qhia tau tias muaj kev sib txuas ncaj qha ntawm cov hniav ntse thiab kev nkag mus.Cov hniav ripper muaj ib daim duab thiab tsim tshwj xeebLawv tsoo cov av tawv thiab pob zeb. Lawv tus qauv tsim ua rau nkag mus tob heev. Qhov no tso cai rau lawv ua haujlwm qhov twg lub thoob khawb av ib txwm yuav nyuaj.
Ib daim duab peb ceg thiab lub hau ntse ntse zoo heev. Nws nkag mus rau hauv cov pob zeb tawv thiab cov av sib xyaw tau zoo. Tus qauv no tuaj yeem nkag mus tob dua 30% dua li cov qauv tiaj tiaj. Qee cov hniav kuj muajcov profiles uas ua kom ntseCov hniav no ua rau lawv tus kheej ntse thaum lawv khawb av. Qhov no pab tswj kev khawb av kom zoo txawm tias lawv lwj tag los xij.
| Feature | Cov Lus Qhia Tshwj Xeeb | Kev Pab |
|---|---|---|
| Tsim Lub Tswv Yim | Triangle, taw tes | Nkag mus rau hauv cov pob zeb tawv thiab cov av compact tau zoo |
| Tsim Qauv | Cov pob zeb tawv los yog cov av compacted nkag mus rau hauv | Lub hau peb ceg uas ntse (ASTM D750 xeem nkag mus tau) ▲ (nkag mus tob dua 30% dua li cov qauv tiaj tiaj) |
Cov Txheej Txheem Xauv Ruaj Ntseg rau Komatsu Bucket Tooth Systems
Ib lub thoob hniav yuav tsum nyob ruaj khov rau lub thoob. Cov txheej txheem xauv ruaj ntseg tiv thaiv cov hniav kom tsis txhob poob thaum lub sijhawm ua haujlwm. Qhov no tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm zoo. Komatsu siv ntau lub pin systems rau lub hom phiaj no.
Cov koob hniav Komatsu feem ntausuav nrog:
- K15PN, K20PN, K25PN, K30PN, K40PN, K50PN, K70PN, K85PN, K115PN
- XS series pins: XS40PN, XS50PN, XS115PN, XS145PN
Qee lub tshuab muaj cov yam ntxwv siab heev.Lub kaw lus Kprimemuaj lub kaw lus xauv uas yooj yim siv. Nws kuj muaj tus qauv tsim zoo dua. Tus qauv tsim no tiv thaiv kev qhib tom qab siv ntev. Lub kaw lus Kmax yog lub kaw lus hniav tsis muaj hammerless patented. Nws siv lub pin tsis muaj hammerless rau kev hloov pauv sai dua. Hensley lub kaw lus hniav tsis muaj hammerless patented hu ua XS™. Lub kaw lus XS2™ (Extreme Service) TS kuj tseem muaj lub kaw lus txuas hammerless uas siv tau dua. Cov kab ke no ua rau kev hloov hniav sai dua thiab muaj kev nyab xeeb dua.
Sab saum toj Komatsu Bucket Tooth Series rau Rocky Av & Mining
Komatsu muaj ntau yam khoom sivseries hniav thoobTxhua cov koob muaj cov qauv tsim tshwj xeeb rau cov xwm txheej khawb av sib txawv. Kev xaiv cov koob zoo yuav txhim kho kev ua tau zoo thiab txo cov nqi khiav lag luam. Cov koob no muab cov kev daws teeb meem rau cov av pob zeb nyuaj tshaj plaws thiab cov chaw khawb av.
Komatsu K-Series Cov Hniav Thoob rau Kev Ruaj Ntseg thiab Kev Nkag Mus
Cov hniav thoob Komatsu K-Series paub txog lawv txoj kev tsim kho ruaj khov. Lawv muaj kev ruaj khov thiab nkag mus tau zoo heev. Cov koob no yog qhov kev xaiv nrov rau cov ntawv thov hnyav. Nws txoj kev tsim qauv tso cai rau kev khawb av zoo hauv cov ntaub ntawv tawv. Cov hniav K-Series tswj lawv qhov ntse zoo. Qhov no pab cov neeg ua haujlwm ua tiav kev khawb av tas li. Lawv tiv taus kev puas tsuaj los ntawm kev cuam tshuam zoo. Qhov no ua rau lawv haum rau cov chaw muaj pob zeb tawv.
Komatsu ProTeq Series Thoob Hniav rau Lub Neej Hnav Ntev
Cov Koob Komatsu ProTeq sawv cev rau cov thev naus laus zis hniav thoob siab heev. Cov koob no tsom mus rau lub neej ntev hnav. Cov hniav ProTeq muaj cov qauv tsim tshwj xeeb thiab cov khoom siv sib xyaw. Cov ntsiab lus no pab lawv kav ntev dua hauv cov xwm txheej abrasive. Cov qauv tsim feem ntau suav nrog cov yam ntxwv ntawm tus kheej. Qhov no txhais tau tias cov hniav khaws cov qauv khawb zoo tshaj plaws thaum lawv hnav. Cov neeg ua haujlwm ntsib kev poob qis dua rau kev hloov hniav. Cov koob no zoo tagnrho rau kev ua haujlwm qhov twg kev puas tsuaj yog qhov txhawj xeeb tseem ceeb. Nws muab cov kev daws teeb meem pheej yig dhau sijhawm vim nws lub neej ntev.
Cov Khoom Siv Hniav Komatsu Tshwj Xeeb rau Cov Pob Zeb
Komatsu kuj tsim khocov hniav thoob tshwj xeeb. Cov profiles no yog tshwj xeeb rau kev siv pob zeb. Lawv ua kom muaj zog nkag mus thiab tawg hauv pob zeb tawv. Cov qauv no feem ntau muaj cov lus qhia tuab dua, blunter. Qhov no pab lawv tiv taus cov zog cuam tshuam hnyav. Cov hlau chromium siab lossis cov hlau alloy tiv taus hnav yog qhov tshwm sim rau cov hniav no. Cov khoom siv no muab qhov nyuaj zoo dua, feem ntau tshaj 60 HRC. Qhov nyuaj no ua kom lawv tiv taus kev hnav hauv pob zeb abrasive.
Cov neeg teb xov tooj tuaj yeem xaiv cov profile tshwj xeeb raws li lawv qhov loj me thiab daim ntawv thov ntawm lub excavator.Lub rooj hauv qab nocov lus qhia xaiv cov hniav pob zeb zoo.
| Komatsu Excavator Loj | Cov Hniav Thoob Uas Pom Zoo | Cov Yam Ntxwv Tseem Ceeb / Daim Ntawv Thov |
|---|---|---|
| Nruab Nrab (20-60 tons, piv txwv li, SK350) | Cov Hniav Pob Zeb | Tsim los rau kev cuam tshuam thiab kev hnav tsis kam hauv kev khawb av hnyav thiab kev tsoo pob zeb. |
| Loj (ntau tshaj 60 tons, piv txwv li, SK700) | Cov Hniav Pob Zeb Qib Mining lossis Cov Hniav Uas Tiv Thaiv Tau Super Wear-Resistant | Muab qhov tseem ceeb rau cov xwm txheej khawb pob zeb tawv heev. |
| Cov Ntaub Ntawv Txog Hniav Pob Zeb Dav Dav | Lub taub hau tuab, dav nrog lub taub hau puag ncig / blunt, high-chromium alloy lossis hnav-resistant alloy hlau (60+ HRC) | Tsim los rau kev cuam tshuam thiab kev hnav tsis kam, zoo tagnrho rau kev khawb av, kev tsoo chaw txua zeb, thiab kev tshem tawm pob zeb tawv. |
Piv txwv li, cov tshuab khawb av nruab nrab xws li SK350 siv "Cov Hniav Pob Zeb." Cov hniav no yog rau kev khawb av hnyav thiab kev tsoo pob zeb. Cov tshuab khawb av loj dua, xws li SK700, xav tau "Cov Hniav Pob Zeb Qib Kev Khawb Av." Cov no yog rau cov pob zeb tawv heev. Cov hniav pob zeb dav dav muaj lub taub hau tuab thiab dav. Nws kuj tseem muaj lub taub hau puag ncig lossis tsis meej. Tus qauv tsim no zoo heev rau kev cuam tshuam thiab kev hnav tsis kam. Nws ua haujlwm zoo hauv kev khawb av, kev tsoo pob zeb, thiab kev tshem tawm pob zeb tawv.
Xaiv Komatsu Bucket Tooth Komatsu Zoo Rau Koj Daim Ntawv Thov
Kev xaiv cov hniav thoob kom raug yog qhov tseem ceeb rau kev ua haujlwm ntawm lub tshuab khawb avNws txuag lub sijhawm thiab txo cov nqi. Qhov chaw ua haujlwm txiav txim siab qhov kev xaiv zoo tshaj plaws.
Sib phim Komatsu Thoob Hniav Hom rau Khoom Siv Hardness
Sib phim qhovKomatsu thoob hniav homQhov nyuaj ntawm cov khoom siv yog qhov tseem ceeb. Ntau txoj kev sib txawv faib cov pob zeb tawv. Mohs Scale-Based Classification xam cov pob zeb sib xyaw ua ke tawv. Nws muab txhua cov minerals feem pua ntau ntxiv los ntawm nws qhov nyuaj Mohs. Txoj kev US Department of Agriculture ntsuas qhov hnyav poob los ntawm kev txhuam. Harley's Alphabetical Classification qeb duas pob zeb los ntawm lub zog uas xav tau los txiav lawv. Cov pob zeb nyuaj tshaj plaws yog A+, A, A-, thiab mos tshaj plaws yog D+, D, D-.Cov hniav Forged Komatsu thoob yog tsim rau cov pob zeb tawvLawv siv dav hauv kev khawb pob zeb thiab lwm qhov chaw ib puag ncig hnyav.
Xav txog qhov loj ntawm lub tshuab thiab lub peev xwm thoob rau Komatsu Bucket Tooth
Qhov loj ntawm lub tshuab thiab lub peev xwm ntawm lub thoob kuj cuam tshuam rau kev xaiv cov hniav. Cov tshuab khawb av loj dua uas muaj cov thoob loj dua siv zog ntau dua. Lawv xav tau cov hniav ruaj khov dua. Cov hniav no yuav tsum tiv taus kev cuam tshuam thiab kev ntxhov siab ntau dua. Kev xaiv cov hniav uas tsim los rau lub zog ntawm lub tshuab ua kom muaj kev ua haujlwm zoo tshaj plaws. Nws kuj tseem tiv thaiv kev hnav ua ntej lossis tawg.
Kev Soj Ntsuam Tus Nqi-Kev Siv Nyiaj thiab Kev Siv Lub Neej ntawm Komatsu Bucket Tooth
Cov neeg teb xov tooj yuav tsum soj ntsuam qhov kev siv nyiaj tsim nyog thiab lub neej siv. Cov thoob khib nyiab zoo tshaj plaws muajSiv tau ntev dua 30-50%Lawv siv cov khoom siv zoo tshaj plaws thiab vuam zoo dua. Lub neej ntev no ua rau lub sijhawm tsis ua haujlwm tsawg dua. Nws kuj tseem txo cov nqi hloov pauv. Kev xam tus nqi ib teev zoo dua li kev tsom mus rau tus nqi yuav khoom xwb.Cov kab ntau lawm forged ua rau muaj cov khoom siv kho tshuab zoo duarau cov hniav. Cov hniav no muaj zog thiab ruaj khov. Lawv ua rau kev ua haujlwm zoo dua qub. Lawv kuj txo cov nqi hloov pauv thiab kev saib xyuas. Cov thev naus laus zis tsim khoom siab heev tuaj yeem txo cov nqi ntawm cov neeg siv khoom los ntawmntau tshaj 30%.
Ua kom Komatsu Bucket Tooth muaj sia nyob hauv qhov chaw nyuaj
Cov neeg ua haujlwm tuaj yeem ntev lub neej ntawm Komatsu bucket tooth. Lawv yuav tsum ua raws li cov kev coj ua tshwj xeeb. Cov kev coj ua no txo qhov hnav thiab tiv thaiv kev puas tsuaj. Qhov no txuag nyiaj thiab ua kom kev ua haujlwm khiav tau zoo.
Kev Tshuaj Xyuas Tsis Tu Ncua thiab Kev Hloov Kho Komatsu Bucket Tooth
Kev kuaj xyuas tsis tu ncua pab tswj cov hniav thoob. Cov neeg ua haujlwm yuav tsum kuaj xyuas cov hniav txhua hnub seb puas muaj kev puas tsuaj, tawg, lossis tawg. Cov hniav uas puas lawm ua rau kev khawb av tsis zoo. Lawv kuj ua rau lub tshuab ntxhov siab ntxiv. Hloov cov hniav uas puas lawm sai sai. Qhov no tiv thaiv kev puas tsuaj ntxiv rau lub thoob lossis lwm cov hniav. Kev hloov pauv raws sijhawm ua kom muaj kev ua haujlwm zoo tshaj plaws thiab kev nyab xeeb.
Cov Txheej Txheem Txhim Kho Kom Zoo Rau Komatsu Bucket Tooth
Kev teeb tsa kom raug yuav tiv thaiv kom cov hniav tsis xoob ua ntej lub sijhawm. Nws kuj tseem ua kom muaj kev ua haujlwm zoo tshaj plaws.Ua raws li cov kauj ruam no rau kev teeb tsa kom raug:
- Npaj Lub ThoobNtxuav lub thoob kom huv si. Tshem tawm cov av qias neeg, cov khib nyiab, lossis cov hniav qub. Tshawb xyuas seb puas muaj kev puas tsuaj xws li tawg. Kho txhua qhov kev puas tsuaj ua ntej txhim kho cov hniav tshiab.
- Xaiv Cov Hniav ZooXaiv cov hniav uas haum rau txoj haujlwm. Cov hniav sib txawv ua haujlwm zoo tshaj plaws rau cov av mos lossis cov av pob zeb.
- Tso Cov Hniav: Kho cov hniav tshiab kom sib npaug rau cov qhov ntawm lub thoob. Maj mam nias lawv rau hauv qhov chaw yog tias xav tau. Xyuas kom meej tias qhov sib nrug sib npaug thiab sib phim kom raug.
- Ntxig cov Bolts: Muab cov ntsia hlau tso rau hauv cov hniav thiab cov qhov thoob. Siv roj nkag mus yog tias qhov ntxig nyuaj. Ua ntej, nias cov ntsia hlau kom nruj.
- Nruj cov BoltsSiv cov wrenches los zawm cov bolts kom sib npaug. Tsis txhob zawm dhau. Kev zawm dhau yuav ua rau tawg. Zaws kom txog thaum nruj.
- Tshawb Xyuas Ob ZaugTom qab zawm tag nrho cov ntsia hlau, maj mam co cov hniav. Xyuas kom tseeb tias lawv ruaj khov. Rov zawm cov hniav uas xoob.
- Kev Txij Nkawm Tsis Tu Ncua: Xyuas kom cov ntsia hlau tsis tu ncua. Xyuas kom lawv nruj. Hloov cov hniav uas puas lawm lossis puas lawm sai sai.
Cov Kev Xyaum Zoo Tshaj Plaws rau Tus Neeg Ua Haujlwm kom Txo Tau Komatsu Bucket Tooth Wear
Cov neeg teb xov tooj ua lub luag haujlwm tseem ceeb hauv kev txo cov hniav hnav. Lawv yuav tsumzam kev cuam tshuam sai sai. Tsis txhob muab lub thoob ntim ntau dhau. Siv lub tshuab khawb av kom nrawm tshaj plaws. Tsis txhob siv tshaj qhov txwv. Kho lub kaum ntawm lub khawb av. Qhov no tiv thaiv cov hniav kom tsis txhob khawb cov chaw tawv yam tsis tsim nyog. Tswj kev txav mus los kom du thiab tswj tau. Cov kev ua no txo qhov kev ntxhov siab ntawm cov hniav.
Cov hniav thoob av tawgpab rau cov ntaub ntawv mos dua. Lawv muaj qhov profile dav. Qhov no ua rau thaj chaw rau scooping ntau dua. Tus qauv tsim no tso cai rau kev ua haujlwm du dua. Nws txo qhov kev tiv thaiv. Qhov no txo qhov kev ntxhov siab ntawm lub excavator. Nws kuj tseem ua rau kev ua haujlwm zoo dua thiab lub neej ntev dua.
Xaiv cov hniav Komatsu zoo tshaj plawsyog qhov tseem ceeb heev. Nws txhim kho kev ua haujlwm zoo thiab tswj cov nqi hauv cov av pob zeb thiab kev khawb av. Muab qhov tseem ceeb rau cov hniav uas muaj kev tiv thaiv kev cuam tshuam zoo dua. Nrhiav cov hlau uas tiv taus kev sib txhuam thiab cov qauv tsim muaj zog. Cov qauv los ntawm K-Series lossis ProTeq feem ntau xa cov txiaj ntsig zoo heev. Kev xaiv paub thiab kev saib xyuas kom zoo ua rau muaj kev tsim khoom ntau dua. Lawv kuj tseem txo qis lub sijhawm tsis ua haujlwm.
Cov Lus Nug Feem Ntau
Dab tsi ua rau Komatsu cov hniav thoob zoo hauv cov pob zeb tawv?
Komatsu thoob hniavsiv cov hlau tshwj xeeb thiab cov hau uas muaj zog. Lawv tau tsim cov qauv zoo tshaj plaws rau kev nkag mus zoo. Qhov no pab lawv tiv taus kev cuam tshuam thiab kev txhuam hnyav.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-04-2025