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	cattleguard cattle-guard cattle guard cattle guard connected to the permanent way cattle guards cattleguards cattle hair cattle hair cloth cattle hide cattlehide cattlehide glue cattle hoisting windlass cattle horn cattle horn cutting cattle husbandry Cattle hypodermosis cattle industry cattle insurance cattle inventory cycle cattleist cattle J hapten cattle J haptene cattle leader cattleless Cattle leukaemia virus

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