问答题
A.当冲裁间隙过大时,光亮带变宽,断裂带、圆角带变窄,毛刺和斜度减小 B.当冲裁间隙过大时,光亮带变窄,断裂带、圆角带变宽,毛刺和斜度减小 C.当冲裁间隙过大时,光亮带变宽,断裂带、圆角带变窄,毛刺和斜度增大 D.当冲裁间隙过大时,光亮带变窄,断裂带、圆角带变宽,毛刺和斜度增大