短語詞組短語recycled backwash water 循環(huán)廻洗水;循環(huán)的廻洗水fuel pit backwash water 燃料水池廻洗水membrane backwash water 膜反洗水Reuse filter backwash water 濾池反沖洗廢水廻用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(qiáng)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