Rau cov pob zeb zeb zeb qhov laum, peb muaj DTH Drilling tshuab thiab kab rov tav core tho tshuab, DTH drilling tshuab sai dua, 5-10m / h, thiab hluav taws xob kab rov tav drilling tshuab 4-8m / h. Kab rov tav hom yog ntau dua los txuas rau lub qhov, tab sis nws tsuas yog hluav taws xob thiab kab rov tav xwb.Thiab peb pheej ua kev txhim kho rau cov tshuab.
Pneumatic DTH Drilling Tshuab xa tuaj rau Nyab Laj. Hauv qab no qee cov duab ntim khoom:
