lifting arm joint 动臂铰点
Pump into the water or in the lifting, there shall be no pulling cable, so as not to damage or disconnect joint.
电泵在潜入水中或吊起时,不得拉动电缆,以免电缆损坏或接头处断开。
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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