问题 问答题 简答题

3LE-10/8-G型压缩机润滑油温度过高,其原因是什么?

答案

参考答案:

(1)润滑油供给不足,应添加润滑油,并检查油路系统;(2)润滑油质量不好,应换用新油;(3)润滑油太脏,因机身内表面有粘砂及油漆,使油易脏;(4)连杆曲拐机构发生故障,应细心检修之。

完形填空
完形填空。
     In recent years, people are more and more interested in computer games in many towns and cities. A
lot of small shops and restaurants along busy  1  have changed into  2  game houses in order to get more
money. These places are always filled with  3  especially young boys.
     In the computer game houses, people  4  a lot of money playing with a computer. It's  5  for one to win
against a computer, but one can make progress after  6  again and again. The  7  they lost, the more they want
to win when they play computer games. And at last they even can not live  8  it.
     The result is that some people don't want to  9 . Instead, they play in the computer houses for hours and
hours. For school boys, things are  10 . They have no mind for their lessons. When class is over, they rush
to the nearby computer house.
( )1. A. rivers    
( )2. A. small     
( )3. A. people    
( )4. A. take      
( )5. A. easy      
( )6. A. trying    
( )7. A. more      
( )8. A. with      
( )9. A. speak     
( )10. A. different
B. cities 
B. big    
B. boys   
B. win    
B. hard   
B. winning
B. less   
B. for    
B. play   
B. better 
C. markets  
C. computer 
C. women    
C. cost     
C. important
C. going    
C. harder   
C. without  
C. work     
C. even worse
D. streets 
D. sports  
D. girls   
D. spent   
D. wonderful
D. coming  
D. busier  
D. by      
D. live                              
D. changed 
填空题