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Ụlọ ọrụ API PDC Bi Center maka mkpọpu ala n'okpuru Reamer
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API No-Dig HDD oghere na-ebubata okwute siri ike
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TCI cone trenchless rock reamer maka ntọala ikpokọta
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API 8.5 inch tricone rola cone bit nke atọ maka igwe mkpọpu rotary
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Ụlọ ọrụ China 4 3/4 ″ API roller bit palm maka isi gbọmgbọm na ngwaahịa
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14 3/4 inch tricone bit akụkụ cone ibe n'ibe maka ikpo ntọala
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API 12 1/4 inch tricone bit cutter maka isi barel na ngwaahịa
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Ụdị otu Cone Bit nwere ike dochie ntọala ntọala maka ịwụ mmiri mmiri Rotary Drilling Rig
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Ụlọ ọrụ API nke 185mm TCI tricone cutter maka coring rock siri ike
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Ụlọ ọrụ API nke TCI roller cutter maka rotary piling drilling rig
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Ihe mkpuchi ihe mkpuchi ihu igwe ejiri mechiri emechi maka ntọala siri ike
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Otu rotary egweri nha nha rola cone bit maka mgbọ ala injinia