If the heater circuit is working, it heats the sensing blub, thus changing the resistance of the bulb.

如果加热电路工作，它加热温度传感头，从而改变传感头的阻值。

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If the heater circuit is working, it heats the sensing blub, thus changing the resistance of the bulb.

如果加热电路工作，它加热温度传感头，从而改变传感头的阻值。

youdao