Khoutu ea IADC e khuts'oane bakeng sa "Mokhatlo oa Machaba oa Likonteraka tsa ho Drilling". IADC Code for Tricone Bits e hlalosa moralo oa eona oa ho jara le likarolo tse ling tsa moralo (SHIRT TAIL, LEG, SECTION, CUTTER). Likhoutu tsa IADC li nolofaletsa batho ba chekang hore ba hlalose mofuta oa mofuta oa rock ...
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