[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

购买前需实听或试音频:优质钵敲击后余音应持续15秒以上且衰减平滑,摩擦转圈能在3-5圈内稳定'唱'起来;余音短促、发声需大力摩擦、有明显金属杂音的属工艺缺陷品

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82%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/189299
MCP
get_claim(id=189299)