• The cutter of the coal mining machine bears dynamic load varying with time during excavating coal.

    采煤齿截割煤体时,截齿承受随时间而变化载荷

    youdao

  • The cutter of the coal mining machine bears dynamic load varying with time during excavating coal.

    采煤齿截割煤体时,截齿承受随时间而变化载荷

    youdao

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