判断活塞外圆表面的磨损程度是用______与说明书或标准进行比较而定。Ⅰ.圆度误差;Ⅱ.椭圆度;Ⅲ.
判断活塞外圆表面的磨损程度是用______与说明书或标准进行比较而定。Ⅰ.圆度误差;Ⅱ.椭圆度;Ⅲ.尺寸;Ⅳ.圆柱度误差;Ⅴ.位置度。
A.Ⅰ+Ⅱ+Ⅳ
B.Ⅰ+Ⅳ
C.Ⅰ+Ⅲ+Ⅳ
D.Ⅰ+Ⅱ+Ⅲ
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:B
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