试题与答案

氩弧焊电离势高,引弧困难,需要采用______引弧及______装置。

题型:填空题

题目:

氩弧焊电离势高,引弧困难,需要采用______引弧及______装置。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:顾宏中

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A.Hire people born in those countries to handle most communication

B.Read books about the different people of those countrie

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D.Hold training to gain better understanding of people from those countrie

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