标准摘要 Cross Reference: AMS2510,AMS4490,ANSIY14.5M,AS3071,ASMEB46.1,ASMEY14.36M,ASTME1417,ASTME1417/E1417,MIL-PRF-23377 展开完整摘要 英文名称COVER - ENGINE ACCESSORY DRIVE, ROUND, 5.000 BOLT CIRCLE, AMS4490 (UNS M11910)