Electric control box with four buttons a unique user-friendly design of one-touch operation, convenient and quick.
电控箱采用四位按钮独特的人性化设计单键操作，方便快捷。
Plastic knobs and buttons are currently widely applied in all kinds of electronic, electric, instrumentation, sound, and mixer devices; they mainly function to position andfix potentiometer switches.
该产品目前广泛应用于各种电子，电器，仪器仪表、音响，调音台设备的上，主要用于电位器旋钮固定和定位。
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