测量三绕组变压器绝缘电阻时,至少应做三次试验,分别测量高压对中压、低压和地的电阻;中压对高压、低压和地的电阻;低压对高压、中压和地的电阻。
参考答案:对
It is bad _____ for a man to smoke in public places where smoking is not allowed. [ ]
A. method
B. impression
C. behavior
D. attitude
按过电压规程规定,送电线路架空地线的耐雷水平和保护角是如何规定的?