问题 问答题 简答题

什么是保险丝的额定电流、熔断电流?

答案

参考答案:

保险丝的额定电流是指容许通过的最大电流。保险丝的熔断电流是指足以使保险丝熔断而通过的电流

填空题

按要求写出本学期你积累的有关句子。   

1.写两句表示为人诚实、守信的名言。     

     (1)                                                                           

     (2)                                                                       

2.写出两句谚语。     

     (1)                                                                    

     (2)                                                                     

3.写出两句探讨人生意义的名言。

     (1)                                                                      

     (2)                                                                      

4.写出两句描写田园风光的古诗词。

     (1)                                                                      

     (2)                                                                      

5.写出两句歇后语。

     (1)                                                                      

     (2)                                                                     

填空题