• 此外正是由于放射元素参与加速泥炭化成煤进程,对形成块煤重要作用

    Moreover, precisely because of radioactive elements into the coal in the participation accelerated the process of peat into coal, to play an important role in the formation of lump coal.

    youdao

  • 此外正是由于放射元素参与加速泥炭化成煤进程,对形成块煤重要作用

    Moreover, precisely because of radioactive elements into the coal in the participation accelerated the process of peat into coal, to play an important role in the formation of lump coal.

    youdao

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