“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	corrector corrector cell corrector formula corrector method corrector plate correct procedure Correct Rhymes of Ci Poems correct semantics correct significant digit correct solution correct to correct way Correct wrong notes Correggio corregion transformation method correlate correlated correlated character correlated color temperature calibration correlated colour temperature correlated double-sampling correlated equilibrium correlated errors correlated imaging correlated Monte Carlo method

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