当活塞产生时 应采用换新的方法处置A.环槽根部裂纹B.顶部裂纹C.冷却面腐蚀D.外圆面磨损请帮忙给出
当活塞产生时,应采用换新的方法处置
A.环槽根部裂纹
B.顶部裂纹
C.冷却面腐蚀
D.外圆面磨损
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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