anionically polymerized polybutadiene 阴离子催化聚丁二烯;有规立构聚...polymerized rosin 聚合松香...polymerized gasoline 聚合汽油...polymerized resin 聚合树脂...homogeneously polymerized resin 均聚合树脂...polymerized oil 厚油...
交流互动
发表言论