Xav txog nws li hnyav {- duty, mobileation neeg hlau uas yog kho qhov chaw raws li cov phiaj xwm digital.
Thawj cov ntawv thov
Underground Tsuas: rau kev txhim kho (tsav tsheb tshiab kev kub) thiab ntau lawm drilling (khawb hauv cov chaw ແ inກ (drilling hauv ແ inວນ drilling (khawb hauv cov chaw ແ inກ /.
Civil engineering toolnelinging: Rau txoj kev, thiab hydropower tej yaam num, tshwj xeeb tshaj yog nyob rau hauv cov dej num hauv av.
Kev kaw chaw thaj chaw: nws qhov loj me thiab ncav cuag ua kom nws zoo meej rau kev kho me me, kev kho vaj tse, thiab niche tej yaam num uas loj jumbo tsis haum.
Lub pob zeb drilling jumbo nrog ib sab caj npab tsis yog yooj yim jumbo; Nws yog tus ntse dua thiab ua tau zoo dua. Nws sawv cev rau kev lag luam txav mus rau digities, kev siv raj, thiab ua kom muaj kev nyab xeeb. Los ntawm hloov ntau yam, yooj yim booms nrog ib qho tseem ceeb rau kev ntsuas loj, ua kom nws lub ntsiab lus tseem ceeb rau yav tom ntej ntawm cov kev tsim kho hauv av thiab tsuas.
