标准摘要 Cross Reference: AMS4965,ANSI/ASME/B46.1,ANSI/Y14.36,ARP1942,AS478,AS478J,ASME/Y14.5M,MAP4296,MIL-L-46010 展开完整摘要 英文名称FITTING, UNION, BULKHEAD, BEAM SEAL, METRIC