螺母广泛应用于电子元器件，电位器，石英钟机蕊，灯具等。
Nut is widely used in electronic components, potentiometer, quartz core machine, lamp and so on.
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。
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.
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