A.裂紋B.磕碰傷C.缺陷D.折損
A.1.8V~2.0VDCB.1.8V~2.0VACC.2.0V~2.8VDCD.2.0V~2.8VAC
A.180°±15°B.180°±20°C.180°±25°D.180°±30°