试题与答案

强度高,自锁性好的联接螺纹是()。 A.梯形螺纹 B.多头粗牙三角螺纹 C.单头细牙

题型:单项选择题

题目:

强度高,自锁性好的联接螺纹是()。

A.梯形螺纹

B.多头粗牙三角螺纹

C.单头细牙三角螺纹

D.矩形螺纹

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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