皮皮学，免费搜题
登录
搜题
【单选题】
三相对称的额定工作电压为380V,有我国供电系统供电,该三相负载应接成 ( )A.
三角形接法
B.
Y形接法
C.
两种接法都不行
D.
以上说法都不对
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
【单选题】spontaneous
A.
In a friendly way, good-humouredly
B.
Cut into a special shape
C.
Acting immediately from natural feelings
D.
A feeling of respect and approval for a person
【简答题】Use half - reaction potentials to predict whether the following reactions are spontaneous or nonspontaneous in aqueous solutions. If the reaction is spontaneous, write a balanced equation and calculat...
【简答题】When may spontaneous panic happen?
【简答题】发展是第一要务,适用于各国,而人类命运共同体追求的是()。
【单选题】According to paragraph 3,proponents of spontaneous generation believed that which of the following was important for the process to succeed ?
A.
A sealed container
B.
Fresh air
C.
Heat
D.
The presence of nutrients
【简答题】______________ [A] incredible [B] spontaneous [C]inevitable [D] gradual
【简答题】spontaneous
【单选题】The meaning of the underlined words in 'the details of spontaneous family relationships' can be expressed as ______.
A.
natural family relationships
B.
quickly occurring family relationships
C.
animals acting like a natural family
D.
animal family behavior. that cannot be preplanned or controlled
相关题目：
参考解析：
知识点：
题目纠错 0
发布
