“润滑油”造句

它的喷嘴抹了某种润滑油。
Its nozzle was smeared with some kind of lubricant.

天气冷时齿轮润滑油可能凝结而形成凹槽.
Gear lubricants may congeal and channel in cold weather.

这个月我们需要更多润滑油.
We shall require more lubrication oil this month.