标 准 编 号：MSS SP-110-2010简体中文标题：螺纹、承插焊、软纤焊、凹槽和外接连接球阀繁体中文标题：螺纹、承插焊、软纤焊、凹槽和外接连接球阀English Name： Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends...