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

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	pinion grease pinion guide pinion head pinion head bearing pinion housing pinioning pinionist pinionists pinion leaf pinionless pinion mate pinion offset pinion pin pinion quill shaft pinion rack pinion ratio pinion rear bearing pinion rings pinion rougher pinions pinion set pinion shaft pinion shaft inside bearing pinion shaft outside bearing pinion shaped cutter

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