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采场冒顶
释义
采场冒顶
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工学
矿井地压灾害
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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。
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test in moving state
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Test Mass
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test method for compression strength of composite trepanning plate
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test methods of material thermal stability
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test of a hypothesis against an alternative
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test of cleanroom
test of congruency
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