问题 问答题

给水泵运行中噪音过大的处理方法有哪些?

答案

参考答案:

修正进水条件;检查泵组对中,必要时重新对中;重新平衡泵转子;增加水泵进水压力。

完形填空
完形填空。
     One night I decided to spend some time building a happier and closer relationship with my daughter. For
several weeks she had been   1   me to play chess (棋) with her, so I suggested a game and she eagerly   2  .
It was a school night, however, and at nine o'clock my daughter asked if I could   3   my moves, because
she   4   to go to bed; she had to get up at six in the morning. I   5   she had strict sleeping habits,   6   I
thought she ought to be able to   7   some of this strictness. I said to her, "  8  , you can stay up late for once.
We're having   9  ." We played on for another fifteen minutes, during which time she looked  10 . Finally she
said, "Please, Daddy, do it quickly." "No," I replied. "If you're going to play it  11 , you're going to play it
slowly." And so we  12  for another ten minutes, until  13  my daughter burst into tears, and  14  that she was
beaten.
     Clearly I had made  15 . I had started the evening wanting to have a  16  time with my daughter but had 
 17  my desire to win to become more  18  than my relationship with my daughter. When I was a child, my
desire to win  19  me well. As a parent, I  20  that it got in my way. So I had to change.
( )1. A. guiding     
( )2. A. allowed     
( )3. A. change      
( )4. A. agreed      
( )5. A. knew        
( )6. A. so          
( )7. A. put up      
( )8. A. As usual    
( )9. A. patience    
( )10. A. excited     
( )11. A. well        
( )12. A. discussed   
( )13. A. nervously     
( )14. A. promised    
( )15. A. a mistake   
( )16. A. free        
( )17. A. managed     
( )18. A. important   
( )19. A. offered     
( )20. A. realized    
B. asking        
B. expected      
B. repeat        
B. needed        
B. learned        
B. for            
B. take up       
B. Go ahead      
B. luck          
B. proud        
B. again          
B. continued     
B. immediately      
B. admitted       
B. a decision   
B. different     
B. recognized      
B. attractive    
B. served        
B. apologized 
C. training       
C. replied        
C. hurry          
C. begged         
C. guessed        
C. but              
C. pick up        
C. By the way     
C. fun            
C. anxious        
C. fairly          
C. counted        
C. strangely      
C. wondered         
C. an attempt    
C. full         
C. allowed          
C. practical    
C. controlled      
C. imagined    
D. advising            
D. accepted            
D. pass                
D. hated               
D. heard              
D. or                   
D. give up            
D. Come on            
D. success                          
D. angry              
D. regularly          
D. argued              
D. suddenly         
D. discovered            
D. an effort         
D. happy           
D. reduced                 
D. interesting      
D. taught            
D. explained      
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