Coal waste is tailings of coal concentration of coal - winning industry.

煤矸石是采煤业选煤的尾矿.

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Fully - mechanized Coal Winning is difficult in the production with complex working face.

综合机械化开采对构造复杂工作面生产具有较高的要求.

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This way suits fully _ mechanized and coventionally _ mechanized coal winning face.

适用于综采、高档普采等机械化采煤工作面.

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How to increase tractive effort of MG 300 W type coal winning machine and adopt some measures.

针对如何增加MG300W型采煤机牵引力而采取的一些措施.

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The surroundings and instruments of the vibration test to continual coal winning machine are introduced.

主要介绍了织物导湿性能的测试方法和测试仪器.

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This paper analyses the support technology of coal winning face removing hydraulic, puts forward improvement way.

分析综采工作面撤除支架的支护工艺, 提出改进措施.

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This paper discussed the design of four planet wheel planet mechanism coal winning machine.

重点对四行星轮行星机构的设计作一讨论.

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This paper analyses the existing problem of coal winning machine cutting part, puts forward improving propose.

分析了采煤机截割部存在的问题, 提出改进建议.

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