【生活】滴油冲洗【生活】滴灌（滴灌溉)drip irrigation (drop irrigation)
灌溉Irrigation
滴灌trickle irrigation
喷灌系统sprinkling irrigation system
漫灌flooding irrigation
灌溉试验站experimental irrigation station
污水灌溉wastewater irrigation, sewage irrigation
排灌泵站irrigation and drainage pumping station【农工】