活塞环槽端面磨损不仅使其活塞环的平面间隙增大 使pc和pz下降 还会使A.环的弹力下降B.环折断C.
活塞环槽端面磨损不仅使其活塞环的平面间隙增大,使pc和pz下降,还会使
A.环的弹力下降
B.环折断
C.环的密封性下降
D.环磨损
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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