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【单选题】雷云对电力架空线路的杆塔顶部放电时,线路绝缘子可能被击穿并对导线放电,因此而产生的过电压称为()
A.
、直接雷击过电压
B.
、 感应雷过电压
C.
、雷击反击过电压
【简答题】Different Types of Advertising Advertising is the promotion of a company's products and services carried out primarily to drive sales of the products and services but also to build a brand identity an...
【简答题】When you think of the different types of advertising, several come to your mind. There are the traditional means to advertise: newspapers, magazines, radio, television commercials, billboards, and eve...
【判断题】雷云对电力架空线路的杆塔顶部放电时,线路绝缘子可能被击穿并对导线放电,因此而产生的过电压称为雷电反击过电压。
A.
正确
B.
错误
【简答题】Several organisations are strongly opposed to the use of children in advertising in general, and in _____________in particular.
【单选题】A) By advertising through supporting several sporting events financially. B) By branching out into new areas. C) By taking part in a couple of sporting events. D) By organizing a meeting with an adver...
A.
B.
C.
D.
D
【简答题】Ways of Advertising Advertising reaches people through various forms of mass communication. The chief advertising media are newspapers, television, and radio. Newspapers offer advertisers several adva...
【判断题】三针法检测梯形螺纹中径时,3根量针的位置可以任意放置。
A.
正确
B.
错误
【判断题】雷云对电力架空线路的杆塔顶部放电时,线路绝缘子可能被击穿并对导线放电,因此而产生的过电压称为雷击过电压。
A.
正确
B.
错误
【判断题】三针法检测螺纹中径时,三根量针的位置可以任意放置。
A.
正确
B.
错误
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