试题与答案

波峰焊焊接中，较好的波峰是达到印刷板厚度的（）为宜。A.1/2~2/3 B.2倍 C

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题型：单项选择题

题目：

波峰焊焊接中，较好的波峰是达到印刷板厚度的（）为宜。

A.1/2~2/3

B.2倍

C.1倍

D.1/2以内

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A, B, C, D, E, F

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