短語(yǔ)詞組短語(yǔ)imidazoline quaternary ammonium salt 咪唑啉季銨鹽pyridine quaternary ammonium salt 吡啶季銨鹽quaternary ammonium salt surfactants 季銨鹽型表面活性劑quaternary ammonium salt resin 季銨鹽樹(shù)脂cyclic quaternary ammonium salt 環(huán)狀季銨鹽poly quaternary ammonium salt 聚季銨鹽dual quaternary ammonium salt 雙季銨鹽multiple quaternary ammonium salt 多季銨鹽quaternary ammonium salt derivation 季銨鹽衍生物 返回 quaternary ammonium salt