排灌机械 meaning in English

mechanical facilities of irrigation and drainage

Analysis of choosing drainage and irrigation machines and the mating power
排灌机械的选用及动力配套分析
Consideration on strategic management of drainage and irrigation machinery trade of china
我国排灌机械行业战略管理的思考
Agricultural irrigation equipment - centre - pivot and moving lateral irrigation machines with sprayer or sprinkler nozzles - determination of uniformity of water distribution
农业灌溉设备.有喷嘴或喷雾咀的横向移动排灌机械和中心轴.水分配均匀性的测定