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SHEHWA-370-DTH seperated crawler mounted nto hydraulic nqes-lub-qhov drilling rig
SHEHWA-370-DTH drilling rig tau siv dav hauv qhov qhib pob zeb xws li cov cement, cov hlau, cov pob zeb me, cov chaw txua txiag zeb, blasting qhov drilling hauv kev tsheb nqaj hlau, txoj kev loj, kev txuag dej, kev tsim hluav taws xob thiab kev tiv thaiv kev tsim kho lub teb chaws.
