浍河

huì hé guàn qū nóng cūn guàn gài gōng chéng jié shuǐ gǎi zào yǔ xiào yì fēn xī

浍河灌区农村灌溉工程节水改造与效益分析

Saving Water Transformation and Benefit Analysis of Countryside Irrigation Engineering in Huihe River IrrigationArea