英语词汇“automatic spider”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	automatic spider
释义	automatic spider automatic spider [¦ȯd·ə¦mad·ik ′spīd·ər] (mining engineering) A foot or hydraulically actuated drill-rod clamping device similar to a Wommer safety clamp.
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