通过扫气口检验活塞环是获取______的直接 简便和经济的方法。Ⅰ.工作状态;Ⅱ.气缸磨损情况;Ⅲ.
通过扫气口检验活塞环是获取______的直接、简便和经济的方法。Ⅰ.工作状态;Ⅱ.气缸磨损情况;Ⅲ.活塞工作情况;Ⅳ.气缸工作信息;Ⅴ.润滑情况。
A.Ⅰ+Ⅱ+Ⅲ+Ⅳ
B.Ⅰ+Ⅳ+Ⅴ
C.Ⅰ+Ⅲ+Ⅴ
D.Ⅰ+Ⅳ
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:A
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