adjust your speaker volume
It includes direct support for a wide range of system commands that allow you to manipulate windows (opacity, on top, hide etc.), adjust your speaker volume, view free hard drive space, open/eject your CD drive, power-off your monitor and more.
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adjust your speaker volume
调整扬声器音量
以上为机器翻译结果，长、整句建议使用 人工翻译 。