“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	Jiexi Xian Jie Xuan Jieyang Shi Jieyue Shanfang Series Jieyun House Vocal Tunes Jie Zhenguo Jiezhou Guandi Temple Jiezi Qingzhensi Jie Zi system of pitch and mode conversion Jie Zitui Jieziyuan Bookstore jiezuowen Jifeng Bookstore jig Jigawa State jig dyeing Ji Genyin jigger jiggering jigging beneficiation machinery jigging pulsion curve jigging separation jig grinder Jigogn Shan Jigokuhen

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