上课把女同桌内裤摸湿,一线高清视频在线观看www国产,色综合伊人色综合网站下载,男人边吃奶摸下边免费视频,精品综合久久久久久蜜月

    • <sup id="ql6g2"><dd id="ql6g2"><label id="ql6g2"></label></dd></sup>
  • <sup id="ql6g2"></sup>
    <dfn id="ql6g2"></dfn>
    <sup id="ql6g2"></sup>
    

      <samp id="ql6g2"></samp>
      • <samp id="ql6g2"><rt id="ql6g2"><tbody id="ql6g2"></tbody></rt></samp>
        <tt id="ql6g2"><tfoot id="ql6g2"></tfoot></tt><fieldset id="ql6g2"><rp id="ql6g2"><thead id="ql6g2"></thead></rp></fieldset>
          









          
    
          
        
          
            
          
                
                
            
          
        
          
    
          

          

          
    
          
        Products
        
          
    
          
    
    
          
        

        
          
            
          
                
          
                    YT050S Geotextile Wear Tester (Speed Control)
                
          
                
          
                    
                
          
                
          
                    
                        
          
                        
          【Scope of application】
          

          It is used to determine the abrasion resistance of woven geotextiles, non-woven geotextiles and related products.
          

          【Standards compliant】
          

          GB/T17636 "Geotextile and related products-Determination of wear resistance. Emery cloth/slider method".
          

          【technical parameter】
          

          1. Display mode: liquid crystal display
          

          2. Upper plate: 50mm×200mm or 75×200mm (customized)
          

          3. Lower plate: a) Size: 50mm×200mm or 75×200mm (customized)
          

          B) Stroke: 25±1mm
          

          4. Speed frequency: 0～120 times/minute
          

          5. The bearing weight of the sample: 6±0.01 (Kg)
          

          6. The number of frictions: 2～9999 (or 9999×10, 9999×100) times can be set arbitrarily
          

          7. Abrasive: P100 brown corundum dry abrasive cloth
          

          8. Dimensions: 935×275×350 (mm)
          

          9. Weight: 35KG
          

          10. Power supply: 220V 50HZ
          

          11. Power: 120 W