... 动力头旋转系统rotary head rotating system 正常钻进系统normal drilling system 快速升降系统fast hoisting system ...
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normal drilling system
正常钻井系统
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The system design is reasonable, safe and reliable, fully meet the normal tripping and emergency brake of drilling rig, the light drilling and workover machines, has a good application prospect.
该系统设计合理、安全可靠,完全满足钻机起下钻和紧急刹车,在轻型钻机和修井机上,具有很好的应用前景。
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