英语词汇“roof control”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	roof control
释义	roof control roof control [′rüf kən‚trōl] (mining engineering) The study of rock behavior when undermined by mining operations, and the most effective measures to control movements.
随便看	hfdk hfdl hfdm hfdmg hfdo hf/dp hfdp hfdr hfdr-r hfdrr hfds hfdt h-fdtd hfdx hfe hfe2 hfe2a hfe3 hfea hf-eam hfeb hfec hfeca hfecs hfed

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