您要查找的是不是：
- PE管 PE pipe
- 管 pipe
- PE管内衬 PE lining
- 埋地PE管 underground PE pipe
- 燃气用PE管 gas PE pipe
- 管的 vasal
- 网管 network management
- 管路 pipeline
- PE管示踪线施工的探讨 Discussion on Construction for Trace Line of PE Pipe
- 品管 QA
- 高管 senior executive
- 弯管 syphon
- 排气管 vent-pipe
- 风管 wind pipe
- 管件 pipe fittings
- 配管 tubing
- 热管 thermotube
- 信管 fuse
- 盘管 pipe coil
- 小管 tubule
