问题 填空题

当6kV单元段母线()时,闭锁厂用电切换。

答案

参考答案:无线

辨析题

有人认为,自信者总有点自负,自负是自信的一种表现。你同意这种现点吗?说说你的理由。 

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                              

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

单项选择题