标准摘要 Cross Reference: AMS4965,ANSI/ASME/B46.1,ANSI/Y14.36,AS478,AS478J,ASME/Y14.5M,MA2271,MA4510,MAP4296,map4296 展开完整摘要 英文名称FITTING, ADAPTER, SLIP ON NUT BEAM SEAL TO WELD, METRIC