polyvinyl

详细解释:a. 聚乙烯基的

详细解释：

pol.y.vi.nyl

adj.Abbr. PV（形容词）缩写 PV
Designating any of a group of polymerized thermoplastic vinyls, such as polyvinyl chloride.
聚乙烯基的：表示一组聚合的热塑性乙烯基中任一种的，如聚氯乙烯