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Ọ dịghị-egwupụta oghere ihu igwe maka mkpọpu okwute siri ike
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Ụlọ ọrụ mmeghe oghere HDD nwere ọnụ ahịa mbelata 2%
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30 ″ Trenchless mkpọpu mmiri n'okpuru reamer maka nkume siri ike
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Ụlọ ọrụ API 32 inch igwe nchara nchara cones maka mkpọpu HDD
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API onye na-emepụta oghere oghere nkume trenchless na ngwaahịa
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Ụlọ ọrụ API HDD rock reamers maka trenchless na ngwaahịa
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Ọnụ ego mmeghe oghere HDD 40 inch nwere ọnụ ahịa mbelata
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API na-eweta HDD Hole oghere maka mkpọpu nkume siri ike
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China API ụdị HDD oghere oghere mbelata ọnụahịa
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12 1/4 PDC oghere oghere nwere eriri gburugburu na ndị na-egbutu azụ