在古代，由于河西走廊沿着甘肃之“脊”向西延伸，这里就具有重要的战略地位，是边防前哨，和通讯联络枢纽。
In ancient times, it was an important strategic outpost and communications link, as the Hexi corridor runs along the "neck" of the Gansu province.
六盘山盆地位于河西走廊东南端，处于鄂尔多斯盆地西缘，白垩纪是其主要成盆期。
The Liupanshan Basin. which was mainly formed during the Cretaceous. is located in the southeastern tip of the Hexi Corridor and on the west of the Ordos Basin.
六盘山盆地位于河西走廊东南端，处于鄂尔多斯盆地西缘，白垩纪是其主要成盆期。
The Liupanshan Basin. which was mainly formed during the Cretaceous. is located in the southeastern tip of the Hexi Corridor and on the west of the Ordos Basin.
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