英语词汇“tripod drill”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	tripod drill
释义	tripod drill tripod drill [′trī‚päd ‚dril] (mechanical engineering) A reciprocating rock drill mounted on three legs and driven by steam or compressed air; the drill steel is removed and a longer drill inserted about every 2 feet (61 centimeters).
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