电感量L=ψ/ī,其中ψ为()A、通过线圈的电流的变化量所引起的磁通变化量 B、线圈中

题型:单项选择题

问题:

电感量L=ψ/ī,其中ψ为()

A、通过线圈的电流的变化量所引起的磁通变化量

B、线圈中单匝线圈所产生的磁通量

C、通过线圈的电流所产生的自感磁链

D、互感磁通

考点:电子设备装接工电子设备装接工(初级)电子设备装接工(初级)题库
题型:单项选择题

三. 句型转换 ( 10分)

1. There are different ways of doing this.

There are ________________ ways of doing this.

2. He is more than my teacher; he is my friend.

He is ____________ _____________ my teacher; he is my friend.

3.They named their baby Tom, which is also the name of the baby’s grandfather.

The baby was _____________ ___________ his grandfather.

4. A large park has been built in our city; we are able to amuse ourselves after work.

The large park built in our city ____________ us __________ a place to enjoy ourselves.

5. I’ll do all I can to finish the work on time.

I’ll do ___________ __________ ____________ to finish the work on time.

题型:单项选择题

下列哪些手术操作可引起反射性心律失常()。

A.牵拉胆囊

B.压迫眼球

C.颈动脉窦刺激

D.腹腔探查

E.牵拉肠系膜

题型:单项选择题

奥桑喷雾仪的工作原理与()相似。

A.电水壶

B.遥控器

C.电热毯

D.电风扇

题型:单项选择题

以下()属于施工项目经理质量安全责任

A.全面负责项目施工质量安全

B.签发工程暂停令

C.开工前办理工程质量、安全监督手续,申请领取施工许可证

D.带班制度

E.安全生产费用使用

题型:单项选择题

岗位司机应做到的“四会”为()。

A、会操作

B、会维护

C、会保养

D、会排除一般故障

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