所屬欄目:水利發(fā)展報告
In 2014,Weixian County of Hebei Province announced itsexperiment of the agricultural water end-use pricing system,which should set a favorable price for agricultural water usewithin a quota and a progressively increasing price for the usageabove the quota ......(本文共 5009 字 , 1 張圖) [閱讀本文] >>