标准摘要 Cross Reference: AMS2759/3,AMS4928,AMS5659,AMS5662,AMS5663,ANSI Y14.5M,AS1576,AS478J,ASME B46.1,ASME Y14.36M 展开完整摘要 英文名称SLEEVE, TUBE END, ACORN TO WELD, SHORT FLARELESS