欢迎来到牛牛题库网 牛牛题库官网
logo
搜索

未知题型

发热对电气设备有哪些影响（）？

【参考答案】

A、使绝缘材料的绝缘性能降低
B、使金属材料的机械强度下降
C、使导体接触部分的接触电阻增加
D......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)

点击查看答案

相关考题

未知题型
下列经济业务中，会引起资产类科目和所有者权益类科目同时增加的是（）。
问答题
Directions: Please listen to the video clip of section 3 and fill in the following blanks according to what you hear. Here are some money management tips: Students are advised to separate wants from needsand list monthly income sources including scholarships and (1) ________. Use money for rent, bills, gas and groceries first, then look ahead to upcoming (2) ______ that include going out with friends and enjoying the college experience. Set up a checking account Many banks (3) ______ college students free checking and saving accounts, which allows students to avoid fees on withdrawals or fund transfer. Manage your credit card College is a good time to start building (4) ______, but it’s easy for many students to accumulate a large amount of debt while in school. If a student gets a credit card, it’s important for them to research (5) ______ rates and rewards and also understand how to build credit.
未知题型
对于三相交流电系统，短路时最大电动力出现在（）情况下？
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题