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2022应急局金属非
下列()不是矿山压力作用下的力学现象,即矿山地压显现。
发布于 2023-04-13 16:27:11
【单选题】
A 冒顶片帮
B 围岩变形
C 巷道壁滴水
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京东小含
2023-04-13
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