顿钻怎么读
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翻译解释
- 顿钻的英语：[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
- 顿钻的俄语：pinyin:dùnzuàn тех. ударное бурение
