英语词汇“drill floor”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	drill floor
释义	drill floor drill floor [′dril ‚flȯr] (engineering) A work area covered with planks around the collar of a borehole at the base of a drill tripod or derrick.
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