城镇空间分布差异大，多数建制镇分布在地形起伏度较低的渭河、藉河、葫芦河、牛头河等河谷川地。
The spatial distribution was large different in these cities and towns , most of them located in the river valley of the Wei river , Xi river , Hulu river , Niutou river , which have lower relief degree of land surface .
牛头河