Nyundo za DTH zimagwiritsa ntchito zida zobowola za DTH, zomwe zimayendetsa pisitoni kutsogolo ndi kumbuyo kuti zikhudze tizidutswa ta DTH pothyola miyala ndi mpweya woponderezedwa.
Zobowola pansi pa hole, zomwe zimadziwikanso kutidthzobowola, zolumikizidwa ndi nyundo kudzera pa kubowola thupi spline, amene amalondolera ndi kufalitsa kasinthasintha kwa nyundo.
Mabowo a DTH amagwiritsidwa ntchito kwambiri mumigodi yapansi panthaka, ma quarries, hydraulic and Hydro-Power Engineering, kubowola chitsime chamadzi, Kufufuza kwa Mineral, kubowola dzenje, uinjiniya wa geothermal,
TheKaishan dth kubowola pang'onoamagwiritsidwa ntchito makamaka pofufuza za geological, mgodi wa malasha, waterconservancy ndi hydropower, khwalala, njanji, mlatho, zomangamanga ndi zomangamanga, etc.
Mawonekedwe a High Air Pressure DTH Drill Bits
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