“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	relaunch statement relaxation relaxation absorption relaxational effect relaxational potential model relaxation and reconstruction of solid surface relaxation coefficient relaxation condition relaxation effect relaxation energy relaxation factor relaxation ferroelectric material relaxation freezing-in relaxation function relaxationg testing machine relaxation iterative method relaxation kinetics relaxation method relaxation of glass relaxation oscillation relaxation oscillator relaxation parameter relaxation polarization relaxation process relaxation rate

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