同时演奏两种音色－dual（双重音色, Dual, Dual on/off – Yamaha DGX-630 User Manual

Page 20

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同时演奏两种音色－dual（双重音色, Dual, Dual on/off | Yamaha DGX-630 User Manual | Page 20 / 154 同时演奏两种音色－dual（双重音色, Dual, Dual on/off | Yamaha DGX-630 User Manual | Page 20 / 154
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