微波炉的烧烤继电器触点不能闭合,会引起()故障。
A.炉灯不亮,托盘不动,不加热
B.炉灯亮,托盘转动,不加热
C.屡烧保险管
D.不能烧烤
参考答案:D
__________ everything a shot because you never know what is going to change your life.
A.Giving
B.To give
C.Give
D.Given
当输入量发生突变时,惯性环节的输出量按()单调上升变化。