So was a small plant bottling lubricating oil .

一间小型的瓶装润滑油工厂也遭波及。

Sebaceous glands secrete oil-like sebum for lubricating the hair and skin .

皮脂腺分泌油状皮脂润滑毛发和皮肤。

Although air is always present in lubricating oil , it is often justifiable to adopt measures to minimize its presence .

尽管在润滑油中经常有空气的”声影“，我们最好采取措施将其存在降低到最低。

When a lubricating oil becomes contaminated with water , its surface tension is lowered , thereby allowing bubbles in the oil to separate into smaller particles that are more easily suspended .

当润滑油液沾上了水后，表面张力降低，使得油液中的气泡分离成更小的微粒，这样就更容易悬浮。

Bad therapy based on bad theory is like a too-heavy oil that , instead of lubricating , can gum up the works - slowing everything down and heating everything up .

基于错误理论的错误疗法就像过多的重柴油，而不是润滑油，能打乱工作，减缓和加热一切。