[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

风箱阻力要匹配肺活量:儿童琴应选择皮革褶皱柔软、开合轻松的风箱,褶数越多(如15褶以上)拉伸越省力顺滑,褶数少的廉价琴容易漏气且需要更大力气

1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/273555
API
curl https://kongchang.com/api/v1/knowledge/claims/273555
MCP
get_claim(id=273555)