diffusion pump oil造句

例句与造句

1. Sebacic acid and its derivatives have a variety of industrial uses as plasticizers, lubricants, diffusion pump oils, cosmetics, candles, etc . It is also used in the synthesis of polyamide, as nylon, and of alkyd resins.
2. It's difficult to find diffusion pump oil in a sentence. 用diffusion pump oil造句挺难的