pol.y.im.iden.（名词）A synthetic polymeric resin of a class resistant to high temperatures, wear, and corrosion, used primarily as a coating or film on a substrate substance.聚酰亚胺：一种抗高温、磨损和腐蚀性的合成聚合树脂，主要用作敏作用物质的覆面或覆膜
