你见过每个钻工都感兴趣的那个液压大钳吗？
Have you seen the hydraulic tongs in which every roughneck is interested?
此时司钻操作液压锚头，伸出液压缸拉紧大钳，扭矩表显示液压锚头绳的拉力。
The driller now operates the EZY-torque. The hydraulic cylinder slides out (up) causing the jack line to be pulled by the rig tong. The torque meter will indicate the torque line pull force.
传动系统用Q10Y-M液气大钳钳头改造而成，并采用大钳的液压动力源。
The drive system is refitted from the tong head of Q10Y-M hydro-air tong and uses the hydraulic power supply of the tong.
传动系统用Q10Y-M液气大钳钳头改造而成，并采用大钳的液压动力源。
The drive system is refitted from the tong head of Q10Y-M hydro-air tong and uses the hydraulic power supply of the tong.
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