drill pipe power tong 钻杆动力钳
hydraulic power tong 液压动力大钳 ; 液压动力钳 ; 液压大钳
hydraulic and pneumatic power tong 液气大钳
Power Tong Operator 套管钳操作员
casing power tong 套管动力钳 ; 套管动力吊钳
tubing power tong 油管动力钳
working power tong 行走式动力大钳
power-tong operator 电通经营商
Power r Tong 动力大钳
In this paper, the authors introduce the design, fundamental principle, performance data and test results of a DQ130 new type hydroelectric tubing power tong.
本文介绍新型DQ130液电动力油管钳的结构，工作原理、性能参数和现场试验使用情况。
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。
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