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
lisa718zyd
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