lubrication 

  1. 名詞
不可數名詞: 潤滑, 潤滑作用
加潤滑油

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Maybe an analogy or two for lubrication .                            
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                                They need no lubrication and minimal maintenance.                            
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                                The most common problem is a lack of lubrication .                            
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                                The engine uses a dry sump oil lubrication system.                            
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                                Lubrication : Some oil boxes removed for servicing.                            
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