The present Yinchuan graben is not the separated line of Helanshan Basin and Ordos Basin.

现今的银川地堑当时也并不是贺兰山盆地与鄂尔多斯盆地的分割。

youdao

The present Yinchuan graben is not the separated line of Helanshan Basin and Ordos Basin.

现今的银川地堑当时也并不是贺兰山盆地与鄂尔多斯盆地的分割。

youdao