英语翻译When it heats up,one metal strip expands more than the other,forcing the bimetallic strip to bend.When a certain temperature is reached,the circuit breaks and the electric irion is turned off.When the bimetallic strip cools down,it straig
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英语翻译When it heats up,one metal strip expands more than the other,forcing the bimetallic strip to bend.When a certain temperature is reached,the circuit breaks and the electric irion is turned off.When the bimetallic strip cools down,it straig
英语翻译
When it heats up,one metal strip expands more than the other,forcing the bimetallic strip to bend.When a certain temperature is reached,the circuit breaks and the electric irion is turned off.When the bimetallic strip cools down,it straightens again.
The circuit becomes closed and the electric iron is turned on again.
英语翻译When it heats up,one metal strip expands more than the other,forcing the bimetallic strip to bend.When a certain temperature is reached,the circuit breaks and the electric irion is turned off.When the bimetallic strip cools down,it straig
加热后,其中一块金属片膨胀程度比另一块大,这便引起双金属片弯曲.当达到特定温度时,电路断开,电熨斗停止工作.温度冷却下来后,双金属片再次拉直,这时电路闭合,电熨斗再次工作.