问题 问答题 简答题

影响抓斗抓取能力的主要因素有哪些?

答案

参考答案:

1、抓斗自重G。

2、抓斗的最大开度L:增大抓斗的最大开度,可以增大颚板切割刃所包围的物料面积,有可能多抓货。

3、物料性质的影响。

4、滑轮组倍率的影响:增加滑轮组的倍率对增加抓取量有明显的效果,尤其是在小倍率阶段,增长的效果尤为显著。

5、颚板宽度B的影响:减小颚板宽度可以提高抓取量。

6、颚板几何形状的影响。

7、抓斗闭合速度的影响。

8、抓斗抛掷速度的影响。

9、抓货尖的操作法。

完形填空
完形填空。

Enjoy your own life without comparing it with that of another.
                                                                                         -Marquis de Condorcet
      If you took the strengths of others, and compared them to your weaknesses, do you think this would make
you feel good? The funny thing is, this is   1   most of us do at one time or another-and some of us do pretty
  2  .
     It's surely a practice for a   3   in self-confidence and for unhappiness. Let's say I take a look at someone
who creates   4   artwork on their website and I look at my art, and realize I don't come   5   to being matched
with him. In fact, I look pretty pitiful. But it's not a fair   6  . If I looked at my strengths-writing useful and
honest posts-I can see that I have a lot to offer, a lot to be happy about.
     That's so important-being able to look at your own strengths, and see your true   7  . It's actually one of the 
  8   to success and happiness.
    I want to talk about this issue   9   an email from a reader recently: I have some teammates from very rich
families. I can't stop myself comparing my lifestyle with  10 . I must say that my  11  planning is sound enough
to take care of my existing family; and I can take care of new family member also, at least for  12  even if I
lose my current job. But  13   I see or hear them spending so much money after possessions, I start comparing
  14  . How can I stop this habit, without changing jobs?
      This is an excellent but tough  15 . I think it's  16   to compare ourselves to others, but it often makes us
unhappy even if we have enough and  17  be happy with what we have. My quick advice: try to be aware of
when you start comparing yourself to others ...once you've developed this  18   , stop yourself and tell yourself,
"Stop that!” And then  19   thinking about all the things you do have, the things you love, the people you have
and the blessings that  20  has given you. Make this a regular practice, and you'll start to be happier with your
life.

( )1. A. why        
( )2. A. often    
( )3. A. rise      
( )4. A. astonished  
( )5. A. up         
( )6. A. comparison 
( )7. A. strengths  
( )8. A. reasons   
( )9. A. because of 
( )10. A. them      
( )11. A. financial  
( )12. A. sometime  
( )13. A. however   
( )14. A. then      
( )15. A. question  
( )16. A. strange   
( )17. A. must     
( )18. A. awareness 
( )19. A. stop     
( )20. A. happiness 
B. what        
B. seldom      
B. increase    
B. disappointing
B. close       
B. communication
B. shortcomings
B. keys        
B. regardless of
B. their      
B. annual      
B. some time   
B. Whatever    
B. later       
B. person      
B. natural     
B. can         
B. hobby       
B. help        
B. life       

C. that        
C. usually    
C. drop        
C. shocked    
C. down        
C. competition
C. values     
C. causes      
C. in spite of 
C. themselves  
C. special    
C. some times  
C. wherever    
C. again      
C. phenomenon  
C. difficult   
C. may        
C. tradition   
C. come        
C. success   

D. how              
D. always           
D. f ailure         
D. amazing          
D. closely          
D. connection       
D. weaknesses       
D. means            
D. in case of       
D. theirs           
D. beneficial       
D. sometimes        
D. whenever         
D. thus             
D. reader           
D. important        
D. should           
D. custom           
D. start            
D. confidence       
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