问题
问答题 简答题
使用电子整流器应注意什么?
答案
参考答案:
电子整流器最大特点,启动电压低,130伏就能启动,电网电压一般在200伏左右,因此不会有明显的强弱光之分。发出的光也稳定,而且几乎没有闪光。
缺点是电子整流器怕热,怕潮湿,在安装电子整流器时考虑通风和放置于干燥处,高温天气不要连续长时间运行。
使用电子整流器应注意什么?
参考答案:
电子整流器最大特点,启动电压低,130伏就能启动,电网电压一般在200伏左右,因此不会有明显的强弱光之分。发出的光也稳定,而且几乎没有闪光。
缺点是电子整流器怕热,怕潮湿,在安装电子整流器时考虑通风和放置于干燥处,高温天气不要连续长时间运行。
从方框中选择合适的选项,补全对话(有两项多余选项) | |
A: Hi, my name is Jane. B: Hi, Jane. I'm Connie. Nice. to meet you. Are you a new student here? A: Yeah. Um, 1 B: Sure. Don't shout or run in the hallways. A: Aha, I don't think I'II do that. Can we eat food in class? B: No, we can't. A: OK, 2 What else? B: 3 If you don't, the teachers on duty at the gate won't let you in. A: I see. 4 B: When you go to the library. If you forget to bring it with you , the librarians won't let you in and of course you can't borrow any books. A: 5 B: Try to work hard at all your subjects. If you fail any of them, the teachers will call your parents. A: Thank you, Connie. I think if I work really hard , I won't fail any subjects.
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