• 中部块状砂岩上部含砾砂岩形成河口沉积环境

    The middle massive sandstone and upper pebbly sandstone formed in an estuary, foreshore and nearshore environments.

    youdao

  • 中部块状砂岩上部含砾砂岩形成河口沉积环境

    The middle massive sandstone and upper pebbly sandstone formed in an estuary, foreshore and nearshore environments.

    youdao

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