问题 问答题 简答题

XY-4型钻机机械传动系统结构特点有哪些?

答案

参考答案:

a、该钻机由离合器、变速箱、分动箱、回转器、升降机、机架及液压系统等主要部件组成,各部件之间采用花链、方向轴和止口压板连接,便于拆卸和安装;

b、动力机通过弹性联轴节和离合器将动力传递至变速箱,经齿轮变速和传递,变速箱输出轴可获得四个正转速度和一个反转速度;

c、变速箱和分动箱之间用两个万向轴相连,回转器可获得高速档和低速档正转八级和两个反转速度。

d、具有自动定心式油压卡盘、较强起拔能力的行星式卷扬机和操作方便、使用可靠的离合器。

e、钻机工艺适应性较强,使用范围较广。

阅读理解

Now many people like the game Angry Birds. Here is a piece of good news for them—soon there will be a lot of Angry Birds-themed(主题) activity parks around the world.

The first two parks opened in Finland last year, and a few other parks are going to open in the UK. However, people still don’t know when and where Angry Birds-themed activity parks will open in the UK.

“As a kind of online game, it is popular with people of all ages. It’s really an interesting game. And the parks will be interesting places for everyone around the world.” said Peter Vesterbacka, an officer of Angry Birds Company(公司). He also said, “ We want to make Angry Birds a part of pop culture. We’re just getting started.”

Angry Birds-themed activity parks have many interesting places for children to play. They like them very much. People can see the characters(人物) and colors from the game in the park. People can also play the Angry Birds game on large screens in the park. The company wants to invite people to not only play it on the sofa, but to go out, move around and have fun. So everyone will be happy in Angry Birds-themed activity parks.

小题1:Where did the first two Angry Birds-themed activity parks open?

A. In the UK.    B. In Finland.     C. In Australia.     D. In the USA.

小题2:Angry Birds is _______.

A.an online game

B.an online movie

C.a talk show on TV

D.a game show on TV小题3:Lots of people think Angry Birds is very ______.

A.boring

B.easy

C.interesting

D.difficult小题4:The underlined word “them” in the last paragraph refers to(指的是)_______.

A.the characters

B.the screens

C.the interesting games

D.the interesting places小题5:From the passage, we can know_______.

A.Angry Birds is only popular with young people

B.Peter Vesterbacka works for Angry Birds Company

C.there is no screen in Angry Birds-themed activity parks

D.Angry Birds-themed activity parks will open in the UK in 2015

多项选择题