[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

免清洗焊剂活性通常较弱,遇到严重氧化件容易上锡困难;强活性焊剂虽好用但不免清洗,两者难以兼得,需按被焊件洁净度取舍

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80%
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Long-term
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