油纸

This article introduces the application and effect of flourine surfactant in oil-proof paper.

本文介绍了氟表面活性刑在防纸中的应用和使用效果。

I looked where she said to look: under rocks and boards and tarpaper, along paths and in fields.

我到她告诉我的地：在岩石、木板、柏纸下，小路上和。