oil water boundary

例句：

1. 1. The oil-water boundary is a critical factor in determining the stability of an emulsion.
   油水边界是决定乳液稳定性的关键因素。
2. 2.In oil-water separation processes, understanding the oil-water boundary is crucial for effective operation.
   在油水分离过程中，理解油水边界对于有效操作至关重要。
3. 3. The oil-water boundary is where the two phases meet, and it plays a significant role in the overall process.
   油水边界是两种相接触的地方，它在整个过程中起着重要作用。