题目内容

圆锥销的的锥度为1:100。

A. 对
B. 错

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采用销连接分削弱轴的强度,因此用来传递不大的载荷。

A. 对
B. 错

切向键连接的最大优点是轴与轮的对中性好。

A. 对
B. 错

请简述平键的特点与应用场合。

Which of the following is NOT a reason why soap operas are popular?

A. They are about activities in our daily lives.
B. They are about popular stars' daily lives.
C. They provide easy entertainment.
D. They use a technique called the "cliff-hanger" ending.

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