One method is to use an oil bath.

一种方法是采用油浴。

To sum up, the oil bath of air filters have good work performance.

综上所述，油浴式空气过滤器具有良好的工作性能。

In the use of oil bath type air filter replaced the original filter.

在使用油浴式空气过滤器取代了原有过滤器。

Oil bath of air filters for a steel plate of vertical barrel container.

油浴式空气过滤器为一个钢板制成的立式圆桶容器。

The oil bath air filter has been used for many years on older automobiles.

油浴式空气滤清器已经在老式汽车上应用多年了。