[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

双孔设计(最下方两个音孔为并列双小孔)能更准确吹出半音(升降记号),比单孔设计的表现力和音准更好,进阶学习建议认准双孔款

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82%
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Long-term
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