美国运输部管道与危险品安全管理局（DOT/PHMSA）于 2012 年 7 月 18 日至 19 日举办了一场政府/工业管道研发论坛。五个工作组召开会议，讨论工业界和政府面临的关键管道技术挑战。设计/材料/焊接连接与阀门工作组确定了……
DOT/PHMSA held a Government/Industry Pipeline R&D Forum on July 18-19, 2012. Five working groups met to discuss key pipeline technical challenges facing industry and government. The Design/Materials/Welding-Joining & Valves working group identified...