91/2"HM652XG dŵr newydd dda creigiau tipyn dril diemwnt
olew a nwy offer pwyllgor penderfyniadau cynllunio dril
Other supplier products
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wiercenia węgla, serii wiertła, rock wiertła diamentowe wiercenie nieco, moc nóż tokarski |
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PDC svrdla / matrica tijelo pdc bita/Mirza pdc svrdlo |
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High quality pdc drill bits /Original Supplier Oil Well PDC Bit /PDC Matrix Body Diamond Oil /tungsten carbide PDC DRILL BIT |
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gwneud yn Tsieina, ansawdd da, dril pwyllgor penderfyniadau cynllunio diemwnt, glo adeiladu mwyngloddio ac argae, wholsale dril |
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石油勘探、 氣鑽、 優良的品質，煤炭開採， |
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