The water seal turns dry easily,so that it makes the sewage,even cesspool, integrated with indoor space.Due to o segregation,it is harmful to human health.
英
美
释义
水封很容易干涸,使下水管道甚至化粪池与室内空间连为一体,没有任何阻隔,对人体健康产生危害。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载