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Iibhithi zerola zekhowuni enye eziyi-8.5 intshi IADC537G zokubhola amatye kwi-HDD
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I-API 8.5 intshi i-tricone thirds roller cone bit ye-roller rig ejikelezayo
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Umzi-mveliso waseTshayina i-4 3/4″ API roller bit palm ye-core barrel ekhoyo kwisitokhwe
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Iisegments ze-tricone bit eziyi-14 3/4 intshi zekhoni zokufaka isiseko
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I-API 12 1/4 intshi i-tricone bit cutter yebhareli eyintloko ikwisitokhwe
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I-Foundation Replaceable Type Single Cone Bit yeRotary Drilling Rig Drilling Bucket
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Umzi-mveliso we-API we-185mm TCI tricone cutter ye-hard rock coring
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Umzi-mveliso we-API we-TCI roller cutter we-rolling rig ejikelezayo
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I-roller cone bit yentsimbi etywiniweyo yokubeka isiseko esiqinileyo
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I-single roller tooth roller cone bit yobunjineli bokugrumba
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Iibhithi zekhowuni ze-API ezingaqhelekanga zamazinyo ezijikelezayo zomatshini wepali yesiseko
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Ifektri ye-API yeRoller Cone Bit enokutshintshwa eneFlange yokugrumba iHDD