• 庄泉为侵蚀构造上升露于奥陶纪灰岩

    The Guozhuang Spring exposed in the Middle Ordovician limestone is one of complete-drainage and of erosion structure of ascending type.

    youdao

  • 庄泉为侵蚀构造上升露于奥陶纪灰岩

    The Guozhuang Spring exposed in the Middle Ordovician limestone is one of complete-drainage and of erosion structure of ascending type.

    youdao

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