RESEARCH ON FIELD WATER SAVING TECHNOLOGY OF LOW-PRESSURE PIPELINE IRRIGATION ON WELL WATER IRRIGATED AREA OF THE NORTHERN PLAIN OF HUAIHE RIVER是什么意思_RESEARCH ON FIELD WATER SAVING TECHNOLOGY OF LOW-PRESSURE PIPELINE IRRIGATION ON WELL WATER IRRIGATED AREA OF THE NORTHERN PLAIN OF HUAIHE RIVER在线翻译_英语_读音_用法_例句