英语词汇“block hole”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	block hole
释义	block hole block hole [′bläk ‚hōl] (engineering) A small hole drilled into a rock or boulder into which an anchor bolt or a small charge or explosive may be placed; used in quarries for breaking large blocks of stone or boulders.
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