问题 多项选择题

变压器的异常状态,包括()等。

A.严重漏油

B.油位不正常升髙

C.内部有异常声音

D.内部有短路

E.绝缘套管严重破损

F.绝缘套管有放电

答案

参考答案:A, B, C, E

综合

对比“世界主要山脉分布图”,完成下列问题。

 

(1)世界上高大山脉的分布地带与火山地震带的分布是否一致?为什么?

                                                                                                                                                                 

                                                                                                                                                                 

(2)我国哪些地区多火山地震?为什么?

                                                                                                                                                                   

                                                                                                                                                                   

(3)尝试解释我国东部地区山脉的延伸方向为什么与海岸线相平行?

                                                                                                                                                                   

                                                                                                                                                                   

综合