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。
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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