问题
问答题 简答题
一号线地铁列车辅助电源系统包含的设备有哪些？
答案
参考答案：
辅助电源系统包含的设备有：辅助高压箱、逆变器与充电机箱、变压器箱、扩展供电箱、接地开关箱和蓄电池箱。
搜题请搜索小程序“爱下问搜题”
一号线地铁列车辅助电源系统包含的设备有哪些？
参考答案：
辅助电源系统包含的设备有：辅助高压箱、逆变器与充电机箱、变压器箱、扩展供电箱、接地开关箱和蓄电池箱。
根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 A: Hey. Stephen. B: Hi! How is it going recently? A: Terrible! I always feel upset. B: 71 A: My parents always ask me to study hard and encourage me before exams. But actually it makes me stressed out. 72 B: Don’t worry. Why don’t you log on to the microblog (登录微博) to share your feelings with others? A: Really? 73 B: Yes, I think so. It’s very popular among us young people. You can get many replies from friends in the same situation, which may make you feel better. A: 74 B: Let me see. Well, you’d better have a try first. If you have a chance, you should suggest your parents read your microblog, and they’ll know you better. A: 75 Thank you very much. B: Not at all.
|