引起活塞顶部局部过热的原因有喷油定时不正和_______等A.燃油雾化不良B.超负荷C.冷却不良D.
引起活塞顶部局部过热的原因有喷油定时不正和_______等
A.燃油雾化不良
B.超负荷
C.冷却不良
D.高温腐蚀
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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