water-in-oil-in-water emulsion adjuvant

例句：

1. 1.The water-in-oil-in-water emulsion is a key component in the formulation of many cosmetic products.
   水包油包水乳液是许多化妆品配方的关键成分。
2. 2.The emulsion adjuvant helps to stabilize the oily components and prevent them from separating.
   乳液增稠剂有助于稳定油性成分，防止它们分离。
3. 3. The surfactant used in this emulsion adjuvant is effective in reducing friction and improving lubrication.
   这种乳液增稠剂中使用的乳化剂能有效降低摩擦并改善润滑。