英语语法分析

Engines won't run without lubricants.

没有润滑油发动机就不能运转。

《牛津词典》

If use reciprocating compressor, can choose DAA100 or DAA150 air compressor lubricants.

如采用往复式压缩机，可选用DAA100或DAA150空气压缩机油。

Brake shoe residue, sand and lubricants are often introduced by operating or maintenance processes.

在车辆运行或维护过程中也会带来闸瓦的残渣，沙砾或者润滑油脂。