[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

无铅焊接需选无铅专用助焊剂:无铅焊锡熔点高(约217℃ vs 有铅183℃),普通有铅焊剂在高温下过早挥发失效,导致虚焊

1
Sources
85%
Confidence
Long-term
Relevance
-
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Stable URI
https://kongchang.com/claim/244082
API
curl https://kongchang.com/api/v1/knowledge/claims/244082
MCP
get_claim(id=244082)