Unverified95% confidenceCautionTime unknown
松香型（RA/RMA）助焊剂活性弱、腐蚀性低，适合电子焊接；含氯化锌/氯化铵的酸性焊膏（俗称焊油）活性强但强腐蚀，绝不能用于电路板，只能用于水管、铁皮等钣金焊接
1
Sources
95%
Confidence
Long-term
Relevance
-
First Seen
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