Mining hnav qhov chaw thiab excavating hnav qhov chaw yog feem ntau hloov cov khoom siv hauv cov ntxhia thiab sib sau ua ke thiab ua tiav.Cov khoom hnyav hnav xws li cov thoob, shovels, cov hniav, qhov chaw dragline, sib tsoo zeb liners, crawler khau, txuas, clevises, hwj chim shovels, thiab hnav daim hlau.
Dab tsi yog hom mining yooj yim tshaj plaws?
qhov chaw mining
Thaum muaj ntau hom kev mining, feem ntau yog qhov chaw mining.Lwm hom kev tsuas muaj xws li underground mining, placer mining, thiab in-site mining.Muaj qhov zoo rau txhua tus raws li txhua tus siv cov cuab yeej tshwj xeeb haum rau ntau lub hom phiaj
Post lub sij hawm: Dec-05-2023