英语翻译

问题描述:

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.
谢谢IDOKNOWALL ,翻译完了,还是不懂...

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...