基本解释n.聚硫醇同根派生 polymercaptan相关词英汉例句Keywords propoxylated glycerin triglycidyl ether;epoxy resin;polymercaptan;toughening; 脂肪族甘油三縮水甘油醚;環氧樹脂;聚硫醇;增靭;polymercaptan更多例句