piping system
短语词组
- piping distribution system 管式配水系统
- transfer piping main system 切换母管制系统
- piping line system 管系
- Piping g System 管汇系统
- piping extinguishing system 管网灭火系统
- piping transport system 管道输送系统
- water supply piping distribution system 给水配水系统
- wingestedr supply piping distriion system 给水配水编制
- Identification of piping system 管道识别色 返回 piping system