The base layer of the original sewage, drainage through the water
, drain pipes positioning, knock tank, piping installation (including King Kong take well)
water pressure test, drain water test
sanitary installation (toilet, washbasin, shower, bathtub)
正在翻譯中..
![](//zhcntimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)