正确答案: A

弯曲疲劳

题目：曲轴臂距差过大，将导致曲轴产生( )破坏。

解析：A

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举一反三的答案和解析：

[单选题]长度小于多少米的帆船在航时，舷灯和尾灯可合并为一盏合色灯＿＿＿＿。B.１２

２０

[单选题]在单元组合式集中监视与报警系统中，开关量报警控制单元给出的报警内容通常包括

启动警报和作出相应的处理

[单选题]Additives _____ protective layers on metal surfaces guarding them against corrosion.

form.

[单选题]双风管空调系统的优点不包括( )。

可增大送风量

[单选题]油水分离器除油效果不佳，在操作方法上如何改进______。

改用间歇工作和适当加温

[单选题]In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.

top off the tank to force out all vapors

[单选题]_________ spanner is this?

Whose

[单选题]Vee-type engines have the connecting rods from two cylinders connected to each _____ of the crankshaft.

throw