oil layer

• 油层,精制层

oil layer的用法和样例：

例句

1. Valuable deposits of oil have been found by drilling.
   通过钻探发现很有开采价值的油层。
2. These are the rainbow effects we see so often in bubbles and in oil film on water.
   这就是我们常见于肥皂泡或水上油膜的彩虹效应。
3. Potential variation of thin oil film in electrolyte is an electrochemical process.
   薄层油膜在电解质中的电位变化是一个电化学过程。