英语词汇“room mining, chamber mining”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	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。
随便看	tower erection toweret tower evaporation tower evaporator tower excavator Tower Falls tower fermenter tower fermentor tower filling tower footing tower footing impedance tower-footing impedance tower-footing resistance tower footing resistance tower formula tower frequency tower furnace tower gantry crane tower gas cooler towergroup tower hamlets tower hand tower head tower height tower hill

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