Projection of force size, in the control panel on the appropriate frequency converter keyboard Rotary few adjustments.
投射力量之大小，可在控制面板上的变频器键盘调整适当的回转数。
The keyboard is composed with three components: the keyboard sensing module, the infrared light source and the keyboard projection module.
红外虚拟键盘主要由三部分组成：键盘敏感模块、键盘红外光源和键盘布局投影模块等。
The keyboard is composed with three components: the keyboard sensing module, the infrared light source and the keyboard projection module.
红外虚拟键盘主要由三部分组成：键盘敏感模块、键盘红外光源和键盘布局投影模块等。
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