标准摘要 Cross Reference: AMS4928,AMS5659,ANSI/ASME/B 46.,ANSI/ASME/B46.1,ANSI/Y14.36,ARP4296,ARP4698,AS4510,AS4697,AS478,AS478J,ASME/Y14.5M 展开完整摘要 英文名称RING, WELD