滴灌灌水器
drip emitter
emitter of drip irrigation
drip irrigation emitters
Drip emitters
drip irrigation emitter
滴灌灌水器进口
inlet of drip irrigation emitter
船坞排水灌水
draining and watering of docks
灌水器流量均等
Uniform-water-discharge laterals
一体式压力补偿灌水器
integral pressure-compensating emitter
排水间距
spacing of drainage ditches
水—水间接换热
Water-to-water heat transfer