考试
2021-01-08 04:29:44

Most polymers are flammable in

题目描述

A、Poly(vinyl chloride)B、PolystyreneC、PolytetrafluoroethyleneD、Polyimide

答案解析

[db:答案解析]

正确答案ACD

加载中...
AI正在思考中,请稍候...