日本排水管道是采用塑料面层、内衬石棉管的复合下水管。一般排水和排粪是通过一根下水管直接排入下水道的,所以,不设置化粪池。浴厕间是玻璃钢制成的预制品。它由底盘、壁和顶三部分在现场拼装而成。底盘上预先制成了浴缸、面盆和便器,小巧灵珑,舒适合理。底盘上有总的上、下水管口,安装定位后只需同建筑中预留的上下水管口接好即可,没有跑、冒、滴、漏等隐患。浴厕壁是嵌于底盘帮子 The Japanese drainage pipeline is a composite sewage pipe with a plastic surface layer and an asbestos-lined pipe. General drainage and defecation are directly discharged into the sewer through a sewage pipe. Therefore, no septic tank is provided. The toilet room is made of glass steel. It is assembled from the chassis, walls and top three parts on site. A bathtub, basin and toilet are pre-made on the chassis, which is compact and comfortable. There is a total upper and lower water pipe mouth on the chassis. After the installation and positioning, only the upper and lower water pipes reserved in the building can be connected, and there are no hidden troubles such as running, running, dripping or leaking. Toilet wall is embedded in the chassis and helpers