题目内容

低压异常及高压异常

查看答案
更多问题

下列选项中,可以质押的是()。

A. 动产和权利
B. 著作权
C. 智力成果
D,人身利益

并励直流发电机外特性的特点是()

A. 端电压随负载增大下降较快
B. 有拐弯现象
C. 稳态短路电流小于额定电流
D. 临界电流大于他励短路电流

The purpose of the flywheel of a diesel engine is to ().

A. counterbalance the crank throws on the crankshaft
B. keep the engine running smoothly between power stroke
C. provide a belt-driving surface for the operation of auxiliary machinery
D. prevent the engine from overspeeding

简述IP多播的基本概念。

答案查题题库