皮皮学，免费搜题
登录
搜题
【简答题】
转速电流双闭环直流调速系统之所以具有起动的快速性,是因为在起动过程中 调节器输出提供最大电流给定,并由 调节器维持电流最大,从而使系统启动最快。
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】 简述消退技术使用过程中行为的变化情况。
【单选题】Which is NOT a likely cause of this situation? “I can’t turn on the lamp in the family room!”
A.
The lamp isn’t plugged into an electrical outlet.
B.
We just bought a new couch in a color that matches the lamp.
C.
There’s a power outage in the neighborhood.
D.
The light bulb in the lamp has burned out.
【单选题】Which lamp will be turned on if the driver steps down the brake pedal?
A.
High beam
B.
Step up lamp
C.
Trunk lamp
D.
Stop lamp
【单选题】T he lamp used for the UV band is ( )
A.
Deuterium lamp
B.
Tungsten lamp
C.
Hollow cathode lamp
D.
Halogen lamps
【单选题】Which of the following items can be used as a discharge lamp？（）
A.
Halogen lamp
B.
Light Emitting Diodes （LED）
C.
Fuser lamp
D.
Cleaning roller
【单选题】(The first) electric lamp had two carbon rods (from which) vapor (served) to conduct the current (across) the gap.
A.
The first
B.
from which
C.
served
D.
across
【单选题】a small electric lamp which stands on a table orother piece of furniture
A.
desk lamp
B.
TV
C.
floor
D.
card
【单选题】Which lamp is the brightest? Lamp
B.
is less brighter than Lamp B; Lamp B is brighter than Lamp C; Lamp
C.
is as bright as Lamp D; Lamp B is brighter than Lamp D; Lamp
D.
is brighter than Lamp A.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
