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Terms for subject Drilling containing 回弹 | all forms | in specified order only
ChineseEnglish
回位弹簧trip spring
回弹冲击impact of recoil
回闭弹簧closing spring
弹力止回阀spring-loaded check valve
扭转回弹torsional resilience
突然回弹snapback
钻杆扣卸开时回弹snapping back

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