助焊剂挥发

 

发件人: [log in to unmask] [mailto:[log in to unmask]] 代表 lisa718zyd
发送时间: 2012年6月13日星期三 12:00
收件人: [log in to unmask]
主题: [TGAsia] 回流温度设置

 

锡膏熔点是217度，为什么回流温度都要设置为250度呢，有最高和最低值之分吗？谢谢！

 

2012-06-13 

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lisa718zyd 


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