8 3/4"HM642XA 專業工廠直接供應 Pdc 鑽頭鑽井煤炭礦山 Pdc 鑽頭的砂岩
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bit ghap oil je qeq Sut lo' jIHMej Hoch oilfield qeq SIp pdc petroleum qeq. compared je porgh yoDSutlIj naQ bits, matrix lom vIta'Qo' yuQmeyDaq let... |
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pedacito taladro pdc ar komongu ar matriz, perforación, thehñä, minería, ranking broca diamante perforación pozo petróleo |
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PDC BIT,Website:, OCEĽOVÉ TELO VŔTAČKA BIT, 6 BLADE VRTÁK, STREDNE MÄKKÝ VŔTAČKA VRTÁK, OLEJ AJ VRTÁK, |
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2015 Hotsale TCI Tricone Bit & stål tand Tricone Bit,Website:, Tricone Rock Bit, certificeret tricone bit |
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