将用户文件（注册记忆）保存到usb闪存 – Yamaha DGX-630 User Manual

Page 99

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将用户文件（注册记忆）保存到usb闪存 | Yamaha DGX-630 User Manual | Page 99 / 154 将用户文件（注册记忆）保存到usb闪存 | Yamaha DGX-630 User Manual | Page 99 / 154
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