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Jan 02, 2020Lub Khw Muag Khoom Tag Nrho Cov Muaj Peev Hauv Saner Hnyav Kev Lag Luam Tshua...Zuag qhia tag nrho kev ua lag luam muaj peev xwm thiab muaj peev xwm ntawm slurry txau tshuab yog loj. Nyob rau xyoo tas los no, Tuam Tshoj cov chaw muag kh... -
Dec 14, 2019Cov Kev Siv Cov Phom Suab Ntaus PobShotcrete yog cov lus siv dav dav rau cov tshuaj tsuag-thov ntawm concretes, hais txog ob qho tib si ntub lossis qhuav daim ntawv thov txheej txheem. -
Oct 18, 2019Kev Soj Ntsuam ntawm Cov Twj Tso Kua Mis Tom Qab SivLub pob zeb twj tso kua mis yog tsuas yog tsav los ntawm piston pas nrig ntawm lub tog raj kheej kom thawb cov pob zeb ua ke mus rau hauv cov raj xa dej. -
Oct 10, 2019Qhov Kev Ntsuas Hluav Taws Xob Yuav Tsum Ua Dab Tsi Lub Cug Cug Yuav Ua Ua Nt...Kev siv lub cav kom zoo: Ua ntej siv lub twj tso kua mis cug mus ncig, qhov chaw du xws li cov kabmob kev tawm tsam yuav tsum tau hnav. -
Oct 06, 2019Txoj Kev Tiv Thaiv Kev Tiv Thaiv Cov Twj Tso Kua Mistxhawm rau ua kom lub sijhawm txuas ntxiv ntawm kev tswj hwm cov haujlwm ua haujlwm, kom ntseeg tau tias qhov zoo ntawm cov qhob nchuav,
