皮皮学，免费搜题
登录
搜题
【单选题】
三相变压器并联运行,要求并联运行的三相变压器的联结组别( )。A.
必须相同,否则不能并联运行
B.
不可相同,否则不能并联运行
C.
组标号的差值不超过1即可
D.
只要组标号相等,X/Y联结和Y/△联结的变压器也可并联运行
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】马克思主义最突出的特征和理论优势是
【简答题】马克思主义最突出的特征和理论优势是
【简答题】While conservatives today play a dominant role in mainstream politics, there was once a time when they were on the ______ of American political life. (Indefinite, intricate, unify, inaugurate, ventila...
【判断题】While a majority of Republicans supports the president’s decision, some conservatives, especially those concerned about constitutional rule and limited government, are finding it hard to get behind a ...
A.
正确
B.
错误
【简答题】While they’re not quite as wrapped up in morals as US conservatives, they’re still preachy enough. tentative monumental obvious dissolve bond concrete set free kept out plenty of machines moralizing t...
【简答题】现行《建筑设计防火规范》把建筑物的耐火等级分成( )级
相关题目：
参考解析：
知识点：
题目纠错 0
发布
