环槽端面过度磨损可在活塞上_______环槽采用修理尺寸法修理A.一道B.二道C.任意D.全部请帮忙
环槽端面过度磨损可在活塞上_______环槽采用修理尺寸法修理
A.一道
B.二道
C.任意
D.全部
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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