“roof fall”的概念、定义、翻译、参考文献-科学参考

单词	roof fall
释义	roof fall 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	rooting rooting medium rooting reflex rooting tuft root in situ staining root isolation Rootkit techniques Rootkit技术 root-knot root knot disease of trichosanthes kirilowii root knot nematode disease root knot nematode disease of Platycodon grandiflorus root-knot nematode disease of radix codonopsis Root knot nematode disease of Scutellaria baicalensis root-knot nematode of ginger root knot nematodes disease of watermelon and melon root lattice rootlet root linear coefficient theorem root location root locus root locus diagram root locus method root mean square root-mean square

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