trochoid 

  1. 形容詞
次擺線的, 轉跡線的
車輪狀的, 滑車狀的
圓錐形的, 樞軸狀的
像輪子一樣動的
用軸旋轉的

    
                        
    2. 
                                                                        
  2. 

    名詞
次擺線, 轉跡線
/此名詞複數為"trochoids"/

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Gear pumps trochoid pumps and vane pumps are all commonly used.                            
    2. 
                                                    
  2. 
                                Oil is fed from an engine sump by a trochoid pump at around 100 psi.                            
    3. 
                                                    
  3. 
                                Of these, ten were particularly special and included the machine to cut the trochoid block.                            
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  4. 
                                Internally the rotor is cooled and lubricated by engine sump oil and the aforementioned trochoid pump.                            
    5. 
                                                    
  5. 
                                Ooops ... probably better to reference the Reuleaux Triangle , not the Trochoid [although they are related]                            
    6.