| 释义 | 
             
                circulatory lubrication
                
            润滑rùn huá 
 lubricate; lubrication; oiling; lubricating循环的xún huán de 
 recurrent; circulatory; periodic; rotative; cyclic润滑油泵rùn huá yóu bèng 
 lube oil pump; lubrication pump润滑油rùn huá yóu 
 lube; lubricating oil; lubricant oil; lubrication oil; lube oil
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