问题
单项选择题
为了消除超高压断路器各个断口上的电压分布不均匀,改善灭弧性能。可在断路器各个断口加装()。
A、并联均压电容
B、均压电阻
C、均压带
D、均压环
答案
参考答案:A
为了消除超高压断路器各个断口上的电压分布不均匀,改善灭弧性能。可在断路器各个断口加装()。
A、并联均压电容
B、均压电阻
C、均压带
D、均压环
参考答案:A
Many people think that Americans 21 their cars almost more than anything else. When 22__ people are fourteen years old, they want to have their __23_ cars. They don’t ask for a car from their 24__. So many of them work in _25_ time during their last year of high school to buy a car. Learning to 26 _ and getting a driver’s license may be one of the most exciting things in a young person’s life. Some people almost 27 _ go to a doctor when they are ill. But they will __28_ their cars to a garage as soon as they think there is a 29 . On Saturdays or Sundays some people may 30 most of their time washing and repairing their cars.
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