• <form id="271f8"><nobr id="271f8"><optgroup id="271f8"></optgroup></nobr></form>
    • <dfn id="271f8"></dfn>
    • <li id="271f8"></li><span id="271f8"><kbd id="271f8"><pre id="271f8"></pre></kbd></span>
    <samp id="271f8"><label id="271f8"></label></samp>
  • <menuitem id="271f8"></menuitem>
    • <form id="271f8"><meter id="271f8"><output id="271f8"></output></meter></form>
    <table id="271f8"><meter id="271f8"><output id="271f8"></output></meter></table>
  • <center id="271f8"><em id="271f8"></em></center>
    • <li id="271f8"><tr id="271f8"></tr></li>
      




      
    
      
        
    
      
    
      
        
      
            
      
                
                
      
                    
                        
      
                                
      
                                    單項(xiàng)選擇題
                                    
      煙葉烘烤與煙葉等級(jí)質(zhì)量的關(guān)（）導(dǎo)致煙葉光澤灰暗。
      
                                
      
                                
                                    
      
	A.定色前溫度過高．排濕不暢
      
	B.定色期濕球溫度過低或不穩(wěn)定或干筋期濕球溫度過低
      
	C.干筋期干球溫度和濕球溫度過高
      
	D.干筋期干球溫度大幅度下降
      

      
                                
                                
                                
      
                                    
                                
      
                                

                        
      
                    
                
      

                
                    
                    

            
      
            
      
                
            
      
        
      
    
      
    

      

      
    
      
        
      
            
      
                
                
      

                
      
            
      
        
      
    
      

      

      
    
      
        
        
        微信掃碼免費(fèi)搜題