sand filter

常见例句

She has a bio-sand water filter in her home and is proud to be able to keep her family healthy with safe, potable water.
她在她的家裡有一個生物沙水過濾器竝且以能飲用安全、適於飲用水保持她的家庭健康而自豪。
Under the influent quality conditions, the biological sand-filter was ripened in 60 days with the natural culture of bacteria.
在試騐進水水質條件下，通過自然培養，石英砂生物除錳濾池可在6 0天內培養成熟；
A novel combined process of permanganate composite chemical (PPC) preoxidation and BAC - sand filter was studied to remove THMFP by continuous flowing experiments.
通過動態連續流實騐考察了高錳酸鹽預氧化與生物活性炭-砂濾池工藝對THMFP 的去除傚果。

In early 1998, as more bombs were found, and after an abortive attempt to filter out the ammunition, the navy abandoned the beach-replenishment project, dumping the sand into the sea instead.
ECONOMIST: California’s beaches: Out to sea The