顿钻 meaning in Chinese
[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
Examples
- Bamboo skin rope tool drilling
竹弓顿钻 - Back - brake support
顿钻捞砂轮刹车支架 - Cable fishing tool
顿钻打捞工具 - Cable tool wrench
顿钻大扳手 - Cable tool drilling
顿钻钻井