Unverified50% confidenceFactExact time
PCB阻焊层常见为绿色，也可定制为黑、白、红、紫、蓝等多种颜色
1
Sources
50%
Confidence
Long-term
Relevance
8/11/2026
First Seen
Sources
Cite This Claim
Stable URI
https://kongchang.com/claim/731229API
curl https://kongchang.com/api/v1/knowledge/claims/731229MCP
get_claim(id=731229)