cast welded rail joint [铁路] 铸焊钢轨接头

cast steel joint 铸钢节点

cast iron pipe joint 铸铁管接头

cast in place joint 现浇接头

cast in place collar joint 现浇套环接头

cast steel tubular joint 铸钢相贯节点

flexible joint cast iron pipe 建筑排水柔性接口铸铁管 ; 柔性接口排水铸铁管

cast-welded rail joint 钢轨铸焊接头