雷云对电力架空线路的杆塔顶部放电时,击穿绝缘子对导线放电而产生的过电压,称为()。
参考答案:雷电反击过电压
Dear Xiaohua,
I’m very glad to receive your letter. From your letter I know you have shown 小题1:______ great interest in inventing new things. That’s great. As for how to be an inventor, there is no quick answer to 小题2:______.
Coming from different cultures and having different backgrounds, inventors don’t seem to have much 小题3:______ common. But creative thinking, 小题4:_______ is greatly valued, is perhaps the basic skill an inventor should have. In order to explore new possibilities, you will have to learn to break小题5:______ from old thought patterns. When you get stuck, try to look at the problem in 小题6:____ many ways as possible. Each new way may improve your understanding.
More importantly, always keep it in mind 小题7:______ success is no accident. It is the result of a long process of trial and error. Above 小题8:_____, the main task for you is to study hard and try to learn more knowledge. This, of course, will lay a solid foundation.
Hope your future invention will make a difference.
Good luck!
Yours,
Wang Li
零部件是事先制作的,在接到订单后,将有关的零部件装配成客户所需要的产品是( )。
A.备货型生产
B.订货型生产
C.储备型生产
D.按订单装配式生产