“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	vulgar logarithm vulgar materialism vulgar series vulgar sociology Vulikh vulnerability vulnerability analysis vulnerability assessment vulnerability identification vulnerability mining vulnerability of socio-ecological systems vulnerability of target vulnerability resistance Vulnerability Scanning vulnerable children vulnerable groups vulnerable organ vulnerable species vulnerable to manifestation of cold or heat vulnerable to manifestation of deficiency or excess Vulpecula vulva image vulval sore vulvar benign tumor vulvar intraepithelial lesion

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