英语词汇supplementary exploration in coal mine怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	supplementary exploration in coal mine
释义	supplementary exploration in coal mine 简明释义煤矿补充勘探网络释义 1 ?煤矿补充勘探定义中文名称：煤矿补充勘探英文名称： supplementary exploration in coal mine 定义：煤矿新水平或新开拓区设计之前，按设计要求进行的补充性的勘探工作。应用学科：煤炭科技（一级学科）；煤田地质与勘探（二级学科）；煤矿地质（二级学科
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