英语词汇“room mining, chamber mining”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	room mining, chamber mining
释义	room mining, chamber mining 房式采煤法；每隔一定距离开采煤房,在煤房之间保留煤柱以支撑顶板的采煤方法。
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