试题与答案

拖拉机挂车气制动装置在使用中()气路系统有漏气及阻滞现象。A、可允许 B、允许许少量

题型:单项选择题

题目:

拖拉机挂车气制动装置在使用中()气路系统有漏气及阻滞现象。

A、可允许

B、允许许少量

C、不允许

答案:

参考答案:C

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