• The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.

    采高液压支架针对上煤层基岩特定地质条件而研制一种高性能综采液压支架。

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  • Moreover, there are some other influencing factors such as: thick loose bed, surface mining degree, impel speed of working face, coal mining and roof manage methods, mining procedure and time.

    此外松散层地表程度、工作面推进速度采煤方法顶板管理方法、开采程序时间因素对采场覆岩空间结构均一定影响

    youdao

  • Moreover, there are some other influencing factors such as: thick loose bed, surface mining degree, impel speed of working face, coal mining and roof manage methods, mining procedure and time.

    此外松散层地表程度、工作面推进速度采煤方法顶板管理方法、开采程序时间因素对采场覆岩空间结构均一定影响

    youdao

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