1. oil diffusion ejector pump 
   油扩散喷射泵
2. A lube job; a lube rack. 
   得心应手的工作；润滑的齿
3. You should always check your oil before starting. 
   在出发前，你应该先检查汽油。
4. a pump that keeps a supply of oil on moving parts. 
   保持移动部分的油量供给的泵。
5. a method of lubricating internal combustion engines in which a pump forces oil into the engine bearings. 
   通过泵强力向发动机轴承注入润滑油润滑内燃机的方法。

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