词汇“顿钻”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	顿钻
释义	顿钻顿钻[dùn zuàn]1.■{机} （冲击钻） percussion drilling; American system drill; cable-system drill; churn drill 常用词组1.■顿钻机 percussion drilling rig;2.■顿钻钻井 churn drilling; percussion drilling; cable tool drilling;3.■顿钻钻头 chopping bit
随便看	voyage regulation voyage report v-pseudocumyl V-shaped beam V V-shaped cathode V V-shaped flashtube V vt. vt. V-threaded screw V vtic VTR noise remover VTR start flip-flop vt.,vi. vt.,vi. V-type motor V vug crystal vuggy rock vulcalock process Vulcan coupling vulcanizable plasticizer vulcanization accelerator vulcanization coefficient vulcanization process vulcanization rate vulcanization retarder

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