钢质活塞顶面裂纹时 可采用_______修复A.焊接B.金属扣合C.粘接D.局部更换请帮忙给出正确答
钢质活塞顶面裂纹时,可采用_______修复
A.焊接
B.金属扣合
C.粘接
D.局部更换
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:D
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