Incentive Institution and Sustainable Operation of Irrigation District--Survey of Reforming Water Price System and Water Supply Institution in the Hetao Irrigation District是什么意思_Incentive Institution and Sustainable Operation of Irrigation District--Survey of Reforming Water Price System and Water Supply Institution in the Hetao Irrigation District在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句