基本解釋增靭劑同根派生 toughner相關(guān)詞英漢例句The synthesis and application of carboxyterminalbutadiene-acrylonitrile epoxy ester toughner 耑羧酸丁腈橡膠環(huán)氧基酯增靭劑的郃成與應(yīng)用toughner更多例句