标准摘要 Cross Reference: AMS2488,AMS4928,AMS5639,AMS5645,AMS5648,AS478,AS478J,ASME/B46.1,ASME/Y14.36M,ASME/Y14.5M,FED-QQ-P-35,FED-QQ-S-763,ISO7169,MA2005,MA2023,MAP4296 展开完整摘要 英文名称FITTING, CROSS, THIN WALL, FLARELESS, METRIC