问题 问答题 简答题

简述TFX1型电子防滑器的结构?

答案

参考答案:

电子防滑器由主机,压力开关,防滑排风阀,速度传感器组成。

(1)速度传感器安装在轴箱盖上,轴箱内车轴端部装有感应齿轮,齿轮与传感器探头之间的间隙为(1.0±0.2)mm,轴箱盖上有窥视孔,可以观察及测量此间隙。

(2)主机是防滑器的控制中心,安装在车上,其面板上有“诊断”、“显示”、“清除”三个功能按钮。工作电流为直流48V,电压范围为34~62V。

(3)压力开关安装于车辆的列车管上,能实现防滑器电源自动通断功能。

(4)防滑排风阀安装于空气分配阀与制动缸的连接管路上,控制相应的制动缸的排风和再充风。

阅读理解

阅读理解

     In December, 2010, many American newspapers publish a list of the best books of the year.

Freedom by Jonathan Franzen is one of the most repeatedly praised books on this year's list of

favorites. It tells about the ups and downs of the Berglund family over many years. Mr. Franzen fills

the book with sharp observations about American politics, culture and society.

     Jennifer Egan's book A Visit from the Goon Squad takes place in 13 chapters over 40 years.

The story moves back and forth in time, from different viewpoints. One main character is former rock

musician Bennie Salazar who works for a record company. The other main character is a troubled

young woman named Sasha who works for Bennie. The reader learns about their pasts and those of

their friends.

     The main character in The Imperfectionists by Tom Rachman is a failing English Language

newspaper published in Rome, Italy. Each chapter of the book tells about a reporter or editor working

for this paper. Their stories are filled with intelligence and great personality.

      Two of the most popular nonfiction books of 2010 were about rock and roll stars. Just Kids is by

rock singer Patti Smith. It tells about her friendship with the artist Robert Mapplethorpe in the 1960s

and 1970s before they became famous. Life is the autobiography of Rolling Stones guitarist Keith

Richards. It is an honest and exciting look at the development of rock and roll and the wild times this

famous band has experienced.

     Unbroken by Laura Hillenbrand tells about a man named Louis Zamperini. She tells about his

extraordinary survival story after his plane crashed into the Pacific Ocean during Would War Two.

     Stacy Schiff has received great praise for her book Cleopatra: A Life. It tells about one of the most

misrepresented and famous women in his story, Cleopatra. She ruled ancient Egypt about 2,000 years

ago.One critic said Ms. Schiff has brought Cleopatra to life again by unearthing her story from centuries

of lies.

1. How many books are mentioned in the passage?

A. 5.  

B. 6.  

C. 7.  

D. 8.

2. The following books are related to music EXCEPT________.

A. A Visit from the Goon Squad

B. The Imperfectionists

C. Just Kids

D. Life

3. If your major is the history of ancient Africa, you may pay attention to ________.

A. Freedom by Jonathan Franzen

B. Unbroken by Laura Hillenbrand

C. Cleopatra: A Life by Stacy Schiff

D. The Imperfectionists by Tom Rachman

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