preparation agent

• 油剂

preparation agent的用法和样例：

例句

1. The application performance of new polymeric oil-displacing agent is studied.
   对新型聚合物驱油剂的应用性能进行了研究。
2. The preparation and the properties of polyvinyl alcohol spilled oil gelling agents on water surface.
   聚乙烯醇系水面溢油凝油剂的制备与性能。