resistor bulb

例句：

1. 1. The new light bulb is more energy-efficient than the old one.
   这个新灯泡比旧的更节能。
2. 2.The teacher used a resistor bulb to explain the circuit theory.
   老师用了一个电阻灯泡来解释电路理论。
3. 3. The engineer replaced the resistor bulb in the old light bulb with a new one.
   工程师用一个新的电阻灯泡替换了旧的灯泡中的灯丝。