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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。
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bicone
biconical antennas
biconical cusp
biconjugate
biconjugate function
bi-conjugate gradient (BiCG) method
bi-conjugate gradient method
biconjugate gradient method
biconjugate gradient stabilized
biconjugate gradient stabilized method
biconnected
biconnected component
biconnected graph
biconnected space
bicontinuity
bicontinuous
bicontinuous correspondence
bicontinuous function
bicontinuous isomorphism
bicontinuous mapping
bicontinuous phase
bicontinuous phase; double continuous phase
biconvex
biconvex lens
biconvex lens, double convex lens
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