“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	relational contract relational data relational database relational data model relational data model theory relational definition relational dialectics theory relational duty relational framing theory relation algebra relational interaction relationality relational matrix analysis relational norms relational orientation relational product relational proposition relational rationality relational schema relational self relational structure relational symbol relational system relational uncertainty relation between different phonological categories

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