问题 问答题 简答题

油漆涂刷应注意事项是什么?

答案

参考答案:

1)涂刷作业气温应在5—38℃之间为宜,当天气温度低于5℃时,应选用相应的低温涂层材料施涂。

2)当气温高于40℃时,应停止涂层作业,因为温度超过40℃时,在钢材表面涂刷油漆会产生气泡,降低漆膜的附着力。

3)当空气湿度大于85%,或构件表面有结露是,不宜进行涂刷作业。

4)铁制品更换部件时,应对构件隐蔽部位、结构夹层难以除锈的部位,提前除锈,提前涂刷。

5)油漆、稀释剂等物品的管理、保管须按危险品管理流程操作。

6)涂刷油漆时,要做好现场保护,防止油漆污染周边设施。

单项选择题
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完形填空。
     My family moved into our home nine years ago and we spent a lot of time and energy in the yard to get it
looking like it does today. We live on a corner and the yard is   1   by a rock wall. We call this area our"rock
garden".
     Last summer, I found a tiny little   2   in the yard that I could not immediately identify. I knew I didn't plant
it. We   3   to let it continue growing until we could   4   what it was.
     Weeks passed and as I made my way back to the   5   plant, it appeared to be a sunflower. I decided to
treat it with care and   6   the weeds around it. As I pulled rocks from the area to get to the weeds, I noticed
something   7  . The sunflowers had not   8   where I saw the stalk (茎) began. It   9   had begun under a big
rock and grown under and around it to reach the  10 
     That's when I  11  that if a tiny little sunflower didn't let a big rock stand in its  12  of developing, we too
have the capability of doing the same thing.  13  our environment begins to see that we believe in ourselves like
that little sunflower, we can  14  the same nutrient as well. 
      15 , we need to believe in ourselves knowing we have the capabilities in  16  our desires. Like the sunflower,
it knew it had the capability to overcome its obstacle because it  17  in the universal truth and had  18  that it
would succeed.
     Stand tall like the sunflower and be  19  of who and what you are and the environment will begin to support
you. You will find a way to go under or  20  your big obstacle in order to reach your desires.
( )1. A. surrounded 
( )2. A. seed      
( )3. A. wished    
( )4. A. watch out 
( )5. A. weak      
( )6. A. removed  
( )7. A. wonderful
( )8. A. passed    
( )9. A. aimlessly 
( )10. A. air      
( )11. A. realized 
( )12. A. place    
( )13. A. Although 
( )14. A. seek    
( )15. A. First    
( )16. A. setting  
( )17. A. lay      
( )18. A. faith    
( )19. A. proud    
( )20. A. beneath  
B. covered    
B. animal      
B. decided    
B. work out    
B. mysterious  
B. refused    
B. secret      
B. started    
B. naturally  
B. top        
B. doubted    
B. way        
B. Since      
B. dig        
B. Generally  
B. controlling 
B. trusted    
B. energy      
B. fond        
B. over        
C. blocked   
C. plant     
C. preferred 
C. give out   
C. lonely     
C. reformed   
C. valuable   
C. stopped   
C. especially 
C. sun       
C. expected   
C. course     
C. Unless     
C. gain       
C. Finally   
C. achieving 
C. grew       
C. hope       
C. careful   
C. above     
D. cut        
D. rock       
D. refused    
D. figure out 
D. remarkable 
D. regained   
D. unusual    
D. broken     
D. actually   
D. wall       
D. noticed    
D. process    
D. Once       
D. attract    
D. Eventually              
D. directing  
D. rooted     
D. courage    
D. aware      
D. around