s型带检口防臭存水弯管件接头pvc排水管件下水管弯头配件厂家批发

洁芳jefa蹲便器蹲坑前出水后出水s弯存水直冲式3206320132043208

s型存水弯(带检查口) - pvc-u drainage pipe and fittingsguangdong