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文章拓展页 2 (7) 共振
Tie The strings
Tie The strings
Resonant sound plate
Resonant sound plate
Rosewood coconut
Rosewood coconut
Large internal stress
Large internal stres
String tension
String tension
Chord tuning
Chord tuning
String Code Ribs
String Code Ribs






















调音职业，稀缺行业，用户服务，琴行创业。


Piano tuning for various Users