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	steam casing steam casting die steam catapult steam cautery steam central heating steam chamber steam chamber, thermodynamic steam channel steam channeling steam chart steam cheaning steam chest steam-chest steam chest assembly steam chest bushing steam chest cover steam chest cover gasket steam chest head steam chest head stud steam chest oil plug steam chests steam chest seat steam chest, valve chest steam circle steam circuit

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