民用住宅的污水一般是通过排污管直接排入三级化粪池的末格或室外暗沟。可是化粪池或暗沟中的腐烂物质产生的臭味,将会沿着排污管路上升,经洗菜池的泄水口进入室内,遇到天气变化,臭味更浓,影响居民的生活环境及健康。现介绍一个简单的防臭味方法。做法是:在排污管 Sewage in residential buildings is usually discharged directly into the septic tank at the end of three sewers or outdoor ditch. However, the septic tank or under-the-road decay of the material produced by the smell, along the sewage pipes will rise through the wash basin into the indoor drain, met the weather changes, the smell is more concentrated, affecting the living environment of residents and health. Now introduce a simple anti-odor method. Approach is: in the sewage pipe