Nut is widely used in electronic components, potentiometer, quartz core machine, lamp and so on.
螺母广泛应用于电子元器件，电位器，石英钟机蕊，灯具等。
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If it's not convenient to adjust the whole machine, the client can unload the wind window, and revolve the nut 0.5 to 1 ring according to the worn conditions of the brake plate.
The mechanism is used, as the last link of transmission gear in place of the leadscrew-nut pair which simplifies the machine structure and improves the relieving accuracy as well.