This kind of tools mainly consists of lifting control system, safety joint, stabilizer, inner and outer barrels, full-closed core catcher, and coring bit.
该工具主要由提升控制系统、安全接头、稳定器、内外筒、全闭式岩心爪和取心钻头等部件组成。
This kind of tools mainly consists of lifting control system, safety joint, stabilizer, inner and outer barrels, full-closed core catcher, and coring bit.
该工具主要由提升控制系统、安全接头、稳定器、内外筒、全闭式岩心爪和取心钻头等部件组成。
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