polyvinyl alcohol

• 聚乙烯醇

polyvinyl alcohol的用法和样例：

例句

1. The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.
   聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
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。