... 正台阶采煤法 heading-and-bench mining 水平分层采煤法 horizontal slicing 斜切分层采煤法 oblique slicing ...
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... 顶底板移近率roof-to-floor convergence ratio 程度分层采煤法horizontal slicing 联结巷crossheading ...
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descending horizontal slicing 下行水平分层开采法
ascending horizontal slicing 上行水平分层开采法
horizontal slicing-and-caving 水平分层崩落法
horizontal l slicing 水平分层开采法
horizontal scanning interval slicing 水平分层崩落回采法
The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.
武山铜矿南矿带采用上向水平分层进路水砂充填法回采,采场多次发生冒顶、片帮。
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.
运用相似材料模拟和数值计算的方法,对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
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