lubricating oil

名词 n.
中文释义

英文释义

名词 n.
  1. An oil for lubrication of engines and other components.
    — Safety devices ensure that the engines are automatically shut down in the event of overspeed, low pressure in the lubricating oil system, low cooling-water pressure, or high cooling-water temperature.

词形变化

lubricating oils plural
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