coupler of taper threaded sleeve的意思|示意

锥螺纹套筒接头 ... 套管连接 套筒接头 muffjoint 锥螺纹套筒接头 coupler of taper threaded sleeve 挤压套筒接头 compressed sleeve coupler ...

锥罗纹套筒接头 钢筋机械毗连rebar mechanical splicing 锥罗纹套筒接头coupler of taper threaded sleeve 直罗纹套筒接头coupler of linear screw thread sleeve ..