英语翻译
问题描述：
英语翻译
系统的温差越大,一个周期内的导通时间越大,温差越小,一个周期内的导通时间越小,温差为零,电热丝不工作.
答
The more System temperature difference is .The more the turn-on time will be in a cycle ;The less the temperature difference is.the less the turn-on time will be in a cycle ;if the temperature difference is 0,the heater wire will be out of work