巨型 老鼠:高分子聚合物的分类问题
来源:百度文库 编辑:高校问答 时间:2024/06/04 03:23:41
Which of the following polymers are normally thermoplastic (more than one):
a.acrylics
b.cellulose acetate
c.nylon
d.polychloroprene
e.polyethylene
f.polyurethane
a.acrylics
b.cellulose acetate
c.nylon
d.polychloroprene
e.polyethylene
f.polyurethane