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Sesebelisoa sa ho cheka sa DTH se kopantsoeng SWDB165C
Letoto la SWDB letoto la koloi ea ho cheka ea DTH le na le lithupa tse tharo tsa 8.5-10m, tse fokotsang ts'ebetso ea ho fetola melamu le ho ntlafatsa katleho ea mosebetsi. Hlooho e matla ea rotary e e lumella ho boloka ts'ebetso e phahameng esita le ha e sebetsa ka li-diameter tse kholo. Modular air compressor e thusa tlhokomelo. Ka nako e ts'oanang, mochini o ka fetoloa matla a kopantsoeng a dizeli-motlakase ho kopana le maemo a fapaneng a ts'ebeliso.