例句與造句

1. Several different types of lubrication systems are used.
2. The type of lubrication used depends on the workpiece material and is outlined in the table below.
3. This is a situation where the sound / vibrations of the landslide hit just the right frequency, providing a type of lubrication that allows the landslide to go much further than predicted.
4. It's difficult to find types of lubrication in a sentence. 用types of lubrication造句挺難的