Thermoplastics piping systems. Joints for buried non-pressure sewerage applications. Test method for long-term sealing performance of joints with thermoplastic elastomer (TPE) seals by estimating the sealing pressure
热塑性塑料管道系统 埋地无压排水应用的接头 通过估计密封压力对热塑性弹性体(TPE)密封接头长期密封性能的试验方法