柴油机连杆小头衬套与活塞销配合间隙不当，运转中缺油，长期承受

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问题单项选择题

柴油机连杆小头衬套与活塞销配合间隙不当，运转中缺油，长期承受严重的疲劳载荷和摩擦作用，均会造成（）磨损严重，甚至出现裂纹和烧瓦现象。

A.连杆小头

B.连杆大头

C.连杆杆身

D.曲轴轴径

答案

参考答案：A

选择题

23. --- Where ____ the recorder? I can’t see it anywhere.

--- I ____ it right here. But now it’s gone.

did you put; have set up B. have you put; put

C. had you put; was putting D. were you putting; have put

多项选择题

下列资产负债表项目中，可以根据科目总账余额直接填列的有( )。

A．“短期借款”

B．“应收票据”

C．“应收账款”

D．“实收资本”