rheostat

常见例句

用作名词 (n.)

• Some switches also contain a rheostat to control the brightness of the instrument panel lights.
  一些开关也包含一个可变电阻器，控制仪表板灯的灯光亮度。
• The rheostat is operated by rotating the control knob, separating it from the push-pull action of the main lighting switch.
  可变电阻器由旋转的控制手柄操纵，与灯光总开关的推一拉的操纵是分开的。
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