• 鄂尔多斯盆地西灵武煤田延安湖泊三角洲体系条件下形成套含岩系。

    Zaoquan mining district of Lingwu coalfield is located in the west margin of Ordos Basin. Yan 'an Formation coal bearing measures formed in environment of lacustrine delta system.

    youdao

  • 鄂尔多斯盆地西灵武煤田延安湖泊三角洲体系条件下形成套含岩系。

    Zaoquan mining district of Lingwu coalfield is located in the west margin of Ordos Basin. Yan 'an Formation coal bearing measures formed in environment of lacustrine delta system.

    youdao

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