灌溉: irrigate; irrigation; watering 短语和例子提水灌溉 irrigation by pumping; 节水灌溉 water-efficient irrigation; 由许多河流灌溉的土地 a land irrigated by many streams; 干旱地区需要灌溉才能使作物生长。 irrigation is needed to make
悬浮微粒总量: total su ended particulates （t ）total suspended particulatestotalsu endedparticulates（t ）
