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1. The regulator potentiometer controls the flow of gases in the engine.
调节器电位计控制发动机中气体的流动。
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2. The engineer used a potentiometer to adjust the voltage for the circuit.
工程师使用电位计调整电路的电压。
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3. The potentiometer is a device that can be adjusted to change the resistance of an electrical circuit.
电位计是一种可以调整来改变电路电阻的设备。