• 组成山区河流、湖沼灰色建造,物质成分与基底岩石具明显继承性。

    Sediments in basins consist of grey coal-bearing formation composed of fluvial alluvial, proluvial fac ies, lacustrine-swamp facies. The material composition of sedim

    youdao

  • 组成山区河流、湖沼灰色建造,物质成分与基底岩石具明显继承性。

    Sediments in basins consist of grey coal-bearing formation composed of fluvial alluvial, proluvial fac ies, lacustrine-swamp facies. The material composition of sedim

    youdao

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