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采煤工作面上岩层运动的两种形式是弯拉破坏和（）
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采煤工作面上岩层运动的两种形式是弯拉破坏和（）
时间：2021-09-02 15:23
关键词：
联大
河南理工大学
矿山测量学
答案解析
剪断破坏
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采煤工作面上覆岩层可分为冒落带、裂隙带和（）
采煤工作面上岩层运动的两种形式是弯拉破坏和（）
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