- yo-yo driller
- 顿钻: percussion drilling; America ...
- 司钻: driller
- 旋转钻司钻: chain breaker
- 司钻: driller 副司钻 assistant driller
- 顿钻: [机械工程] (冲击钻) percussion drilling; american system drill; cable-system drill; churn drill◇顿钻机 percussion drilling rig; 顿钻钻头 chopping bit
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