water film test of scrubber

例句：

1. 1.The water film test is a crucial step in the process of cleaning oily surfaces.
   水膜试验是清洁油渍表面过程中的关键步骤。
2. 2.During the water film test, the surface tension of the liquid is measured to determine its wettability.
   在水膜试验中，测量液体的表面张力以确定其亲水性。
3. 3. The results of the water film test can help identify the best cleaning solution for specific materials.
   水膜试验的结果可以帮助识别特定材料的最佳清洁剂。