![]() Pressureless buried Sewage and drainage rigid polyvinyl chloride (PVC-U) pipes 无压埋地排污、排水用硬聚氯乙烯(PVC-U)管材 |
![]() Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage,Sewage disposal pipes 船舶与海上技术 船舶与海上结构物的排水系统 第4部分:卫生水排放和污水处理管 |
Find out:21Items | First -Previous-Next -Last | 1 |