短語詞組短語recycled backwash water 循環(huán)回洗水;循環(huán)的回洗水fuel pit backwash water 燃料水池回洗水membrane backwash water 膜反洗水Reuse filter backwash water 濾池反沖洗廢水回用requirement of backwash water 反沖水需要量filter backwash water 濾池反沖洗廢水intensity of backwash water 反沖強度backwash water connection 反洗水連接裝置sand filter backwash water 沙濾池反沖水 返回 backwash water