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一个环形的分压器允许光滑地变暗还有灯头可以在90度旋转。
A circular potentiometer allows for smooth dimming and the lamp head can be swiveled within an Angle of 90 degrees.
youdao
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一个环形的分压器允许光滑地变暗还有灯头可以在90度旋转。
A circular potentiometer allows for smooth dimming and the lamp head can be swiveled within an Angle of 90 degrees.
youdao