“roof strata collapse of working face”的概念、定义、翻译、参考文献-科学参考

单词	roof strata collapse of working face
释义	roof strata collapse of working face Encyclopedia 工学矿井地压灾害释 roof strata collapse of working face采场冒顶采场或巷道等地下空间上部岩体或矿体与原始岩层或矿层脱离，并在重力作用下垮塌、塌落、陷落的过程或现象。简称冒顶。是地下矿山常发、多发灾害之一。
随便看	Zisongian Stage Zither music Zitong opera Zitong Xian zittavite zitterbewegung zitterbewegung of Dirac electron Zitterbewegung(德) Ziv Ziwu Daojiu needling zi wu liu zhu zhu ri an shi ding xue ge Ziwu Road Zi Xia Zixia Ji Zixiao Taoist Temple Zixing Shi Zi Xin Yu Zixi white tea Zixi Xian zixue powder Ziya Gökalp Ziya He Ziyang Guan Ziyang human remains Ziyang Maojian tea

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