Same inlet for water and air
self-closed system of inlet pipe
Suspensible suction inlet
cement for joint filling
deformation joint for waterproofing
fastening device for joint
Hydrophilic Rubber Strip Joint for tunnel
materials for joint prosthesis
Pipe Joint
管子接头
管子连接
喉管连接处
导管接头
管道连接方式
管接头
管道接口
接头
管接