标准摘要 Cross Reference: AMS2700,AMS2759/3,AMS4965,AMS5643,AMS5659,ANSI Y14.36,ANSI/ASME B46.1,ARP4296,AS1376,AS478,AS5272,AS85421,AS85720,ASMEY14.5M 展开完整摘要 英文名称FITTING, TEE, BEAM SEAL