Unverified87% confidenceDecision RuleTime unknown
松香芯焊锡丝（含助焊剂，助焊剂含量约1.5-3%）内部有松香夹芯，焊接时自动助焊无需额外涂松香；实心焊锡丝需另外配助焊剂，一般人不建议买实心款
1
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87%
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Long-term
Relevance
-
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