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Terms for subject Drilling (25101 entries)

back-off shot	倒扣用炸药包
back-off string shot	倒扣用炸药包
back-off sub	倒扣接头正反扣
back-off system	解卡设备【系统】
back-off tool	倒扣工具
back-out	松扣
back-out	拧出
back-out	取消
back-out	除铆器
back-out	有毛病的机器
back-up control manifold	备用控制管汇
back-up corner	后备工作岗位
back-up corner	钻台上新工人工作岗位
back-up line	动力大钳吊绳
back-up line	内钳绳
back-up line	固定绳
back-up line	备用绳
back-up man	外钳工
back-up motor	备用马达
back-up pad	支撑板