题目
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.
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.
提问时间：2021-03-13
答案
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.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
最新试题
热门考点