vinylitn.乙烯基树脂vinyln.乙烯基vinyl chloride rubber(聚)氯乙烯(合成)橡胶vinyl carboxylic acid乙烯基羧酸vinylated alkyd resin乙烯基改性醇酸树脂vinyl-ethyl alcohol乙烯基乙醇vinyl nortestosterone乙烯去甲睾酮vinyl hexanediacetate已二酸二乙烯酯vinyl isopropyl ether乙烯基 异丙基醚Vinylon Macromolecute维纶大分子vinyl sulfone sulfate乙烯砜硫酸酯活性基vinyl-pyridine latex丁吡胶乳