请输入您要查询的英文单词：
单词
lubricating oil
释义
lubricating oil
noun
[
mass noun
]
Oil used for lubricating an engine or component:
the loose rod caused lubricating oil to leak out
...
From the main oil duct, the main bearings are directly supplied with lubricating oil.
Its units rotate on air bearings and hence require no lubricating oil; maintenance costs are said to be lower as a result.
Cutting and lubricating oils and greases can block skin pores.
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更新时间：2025/3/25 0:14:34