选择除尘器时应考虑哪些因素?

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问题:

选择除尘器时应考虑哪些因素?

考点:电除尘值班员电除尘值班员(中级工)电除尘值班员(中级工)题库
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完形填空。
     Wang Lin is thirteen years old. He lives in the countryside in Shandong Province. Today is his   1  .
His parents cook a nice dinner for him, but the boy says, "I won't have the dinner   2   after the dinner
today is over. And my parents are   3   Guangzhou tomorrow. I don't want them to go."
     It is the   4   birthday Wang Lin spends with his parents these three years. In the past three years,
his parents   5   in Guangzhou and worked to make monkey. Tomorrow they will   6   leave home to
go to Guangzhou.
     Wang Lin is not the only stay-at-home child. In the countryside of China, there are   7   20,000,000
children staying at home without their parents. Stay-at-home children face a lot of problems. Many of 
  8   stay with their grandparents. They get less care from parents. They feel   9  . Some of them don't
study well because their parents can't help them  10  their lessons. 
    The Chinese government (政府) now cares about the children very much and is trying to solve (解决)
their problems.
( )1. A. time         
(     )2. A. so            
(     )3. A. looking for 
(     )4. A. one          
(     )5. A. stayed       
(     )6. A. get to       
(     )7. A. a number of  
(     )8. A. them         
(     )9. A. surprised    
( )10. A. at           
B. birthday     
B. because      
B. waiting for  
B. first        
B. kept         
B. forget to    
B. more than      
B. they         
B. unhappy      
B. with         
C. festival    
C .although    
C. leaving for 
C. two         
C. played      
C. have to         
C. too many    
C. we          
C. interested  
C. for         
D. class    
D. but      
D. coming to
D. a second                       
D. had      
D. ask to   
D. much too 
D. us       
D. excited  
D. on       
题型:问答题 简答题

下列说法中正确的是(  )

A.氧的摩尔质量为32

B.阿伏加德罗常数是6.02×1023

C.某硫酸溶液中H2SO4的质量分数为60%

D.1摩尔硫酸在标准状况下的体积是22.4升

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输卵管各部名称,下列哪几项是正确的()。

A.通入子宫腔内的为间质部

B.间质部外侧为壶腹部

C.峡部比壶腹部的管腔窄

D.伞部与峡部相邻

E.间质部与伞部相邻

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一般性货币政策工具不包括( )。

A.准收体制

B.法定存款准备金

C.再贴现

D.公开市场业务

题型:问答题 简答题

主轴轴向窜动量超差,精车端面时会产生端面的()超差或端面()超差。

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