• 对比分析滚筒采煤特性,开采技术运用中等煤层开采中,提高煤炭生产效率,实现了工作采煤的全部自动化,具有广泛的推广和应用价值。

    The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough.

    youdao

  • 介绍了新型的主要性能结构特点以及使用条件结合晋城矿区煤层赋存条件,论证了晋城矿区使用能大幅度地提高综采工作煤炭块率。

    Based on an example from Datong Coalmines Group, the paper analyses possibility and usage of heavy plow under the conditions of thin seam coal face with Two Hard Roofs and gives out some proposals.

    youdao

  • 应用木工、四立轴主轴

    Application: Wood-working machines(Routers), Four-side moulder, Spindle shaper.

    youdao

  • 工作1.5采高总共向前推进了21.5米,这样煤层高度对于采煤来说也是可以开采的。

    The plow face advanced a total of 21.6 meters with a cutting height of only 1.5 meters - an achievement impossible for any shearer in such seam heights.

    youdao

  • 工作1.5采高总共向前推进了21.5米,这样煤层高度对于采煤来说也是可以开采的。

    The plow face advanced a total of 21.6 meters with a cutting height of only 1.5 meters - an achievement impossible for any shearer in such seam heights.

    youdao

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