英语词汇headway per drill bit是什么意思，headway per drill bit的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	headway per drill bit
释义	headway per drill bit　【经】 (每一)钻头进尺
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英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。