churn drilling meaning in English
冲唤钻进
冲击钻探
冲钻
钢绳冲击式钻进
钢丝绳冲击钻进
钢丝绳钻进
无游梁绳式顿钻
Examples
- Hand churn drill
手动钢丝绳钻机 - Tool that needs to be prepared during the installation : churn drilling , iron hammer , iron chisel , thread hammer , tapeline ,
安装所需准备的工具：冲击钻铁锤铁凿线锤拉尺 - Tool that needs to be prepared during the installation : churn drilling , corner mill machine , welding machine , tapeline , plumb bob , glue pincers , iron chisel , 810 expansion bolt , cross and subtraction sign screw driver etc
安装所需准备的工具：冲击钻角磨机焊机拉尺线锤胶钳铁凿8x10膨胀螺丝十字和一字螺丝批等。