英语词汇“cover 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	cover hole
释义	cover hole cover hole [′kəv·ər ‚hōl] (mining engineering) One of a group of boreholes drilled in advance of mine workings to probe for and detect water-bearing fissures or structures.
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