“冒顶”的概念、定义、翻译、参考文献-科学参考

单词	冒顶
释义	冒顶 Encyclopedia 工学岩石地下工程灾害释 roof fall冒顶矿井、隧道（洞）开挖时，采掘作业面或巷道的顶板在矿山压力作用下变形、破坏而脱落，造成顶部大面积垮塌的现象。
随便看	National Liberation Movement national liberation movement national library National Library Cataloging Center National Library Consortium National Library Institution National Library of Australian National Library of Brazil National Library of China National Library of China Publishing House National Library of France National Library of India National Library of Korea National Library of Mexico National Library of Peiping National Library of Peru National Library of Russia National Library of Singapore National Library of South Africa national license national life table national list of hazardous wastes National Literature National Livestock Station National Magazine Awards

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