皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
Why did John's mother make an appointment with the dentist for him?
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】三相异步电动机在什么情况下会出现转差率s<1,是
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动
【判断题】Beijing Opera came into being as a result of the classes from Anhui province constantly cooperating with artists in Han accent from Hubei opera.
A.
正确
B.
错误
【单选题】As in Beijing Opera or Kun Opera, in Yue Operais a male comic character with a white patch on the nose.
A.
jing
B.
chou
C.
dan
D.
sheng
【单选题】Antiseptics(杀菌剂) have saved countless lives, but they are most effective when the bacteria they are attacking are individual cells in suspension. Once bacteria have attached themselves to solid surfac...
A.
the bacteria are floating in individual cells
B.
the bacteria pollute the medical devices in the hospital
C.
the bacteria adhere to solid surfaces, wrapped by films
D.
the disinfectants are not so standard
【单选题】三相异步电动机在( )情况下会出现转差率s>1的情况。
A.
电动机运行状态
B.
电磁制动运行状态
C.
发电机运行状态
【判断题】Beijing Opera, as its name suggests, originated in Beijing but borrowed a lot from " Hui Tune".
A.
正确
B.
错误
【单选题】三相异步电动机在什么情况下会出现转差率s>1()。
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动
【单选题】三相异步电动机在什么情况下会出现转差率 s>l ,是?
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动
【单选题】三相异步电动机在 情况下会出现转差率s>1。
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动
【单选题】The program deals with subjects as ( ) as pop music and Beijing Opera.
A.
ideal
B.
diverse
C.
superficial
D.
exceptional
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题