题目内容

摩擦系数不是一组摩擦副之间的摩擦力与法向力之比。

A. 对
B. 错

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在滑动摩擦磨损试验中,试验环内径为16mm,外圆需要倒角,倒角为0.5*45°。

A. 对
B. 错

试验环的选用材料为45#钢,不需要淬火处理。

A. 对
B. 错

A job interview is a conversation which occurs between a potential _______ and a job applicant.

A. employer
B. employee
C. shopper
D. buyer

_______interview is a type of interview in which you are interviewed with several candidates at the same time.

A. Panel
B. Group
C. Phone
D. Lunch