UID:673822
UID:595498
iovedan:这应该是OSP板吧,这种板抗氧化能力较差,一般要求开真空后24小时内要完成所有焊接,包插一、二次回流及波峰焊。。。而且有很多来料也会已经存在氧化了。。。 (2012-06-29 14:33)
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