您要查找的是不是：
- PCCP管線(xiàn)PCCP pipeline
- 管線(xiàn)pipeline
- PCCPprestressed Concrete Cylinder Pipe (PCCP)
- PCCP管PCCP pipe
- PCCP管道PCCP pipeline
- PCCP制造PCCP manufacturing
- 管線(xiàn)巡邏人[機] line walker
- 大口徑PCCPlarge diameter PCCPs
- 洞穿PCCP管PCCP passing through tunnel
- 暗管線(xiàn)closed conduit wiring
- 管線(xiàn)過(guò)濾器pipe line filter
- 鋼筒混凝土管（PCCP管）steel cylindrical concrete pipe(PCCP pipe)
- 泵唧管線(xiàn)pump piping
- 引黃連接段古鋼段PCCP防護設計PCCP Protective Design of Gugang Section of YRDP's Connection Works
- 燃氣輸配管線(xiàn)gas pipeline
- 預應力鋼筒混凝土管（PCCP）PCCP
- 標準螺管線(xiàn)圈standard solenoid
- PCCP成品管的試驗及運輸專(zhuān)用設備Product test and transport equipment of the PCCP
- 管道，管線(xiàn)，管道網(wǎng)一管道系統，如那些用來(lái)鋪設鉛管的A system of pipes, such as those used in plumbing.
- PCCP鋼筒成型及水壓試驗專(zhuān)用生產(chǎn)設備Special productive equipment of steel tube sharping and water pressune test of the PCCP
