pawls 

  1. 名詞
pawl複數: 棘爪, 卡爪
防止齒輪逆轉之制轉桿

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Hand brakes - brake wheels, "goosenecks" and pawls                            
    2. 
                                                    
  2. 
                                But er all he did was, you know the two pawls that go in and out?                            
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  3. 
                                The winding mechanism has flexible wood pawls that engage a ratchet wheel.                            
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  4. 
                                Each set of 3 pawls is offset by 1/120 of a revolution from the previous set.                            
    5. 
                                                    
  5. 
                                These are engaged by 3 ratchet pawls at a time, with 9 in total in the freewheel.                            
    6.