润滑油
(潤滑油)lubricating oil
Example Sentences
数控车间里，技术工人正在定期清理机器排屑导轨底部的润滑油槽。
shù kòng chē jiān lǐ, jì shù gōng rén zhèng zài dìng qī qīng lǐ jī qì pái xiè dǎo guǐ dǐ bù de rùn huá yóu cáo.
In the CNC workshop, technical workers are regularly cleaning the lubricating oil groove at the bottom of the machine's chip removal guide rail.
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