[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

标注'静音'的挂钟仍可能有低频'嗡嗡'电流声或指针摩擦声,真正静音要看是否采用连续扫秒+高品质力矩机芯,同时秒针较长的大钟对机芯扭矩要求更高,直径40cm以上应确认机芯为高扭矩型号否则秒针可能走停不准

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/349216
API
curl https://kongchang.com/api/v1/knowledge/claims/349216
MCP
get_claim(id=349216)