fully-mechanized coal winning technology
... 人工顶板artificial roof 综合机械化采煤工艺fully-mechanized coal winning technology 顶板不改变性别roof stability ...
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介绍了综合机械化采煤技术在邯郸矿区的应用和研究，通过改进设备、优化采煤工艺、充分发挥了综采效能。
Study and Practice on the Coal Mining Technology of the Rooms & Pillars Mining Mechanization Operated with Continuous Miners;
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