常見(jiàn)例句DSDMAC belongs to the group uarternary （不知道）ammonium slats? And works as a cation tenside (surfactant). DSDMAC屬於氨基鏈群？是作爲(wèi)一種陽(yáng)離子的表麪活性劑來(lái)使用的。Keywords Hard Pitch;Polystyrene;Impact Strength;Tenside Property ; 硬瀝青;改性聚苯乙烯沖擊強(qiáng)度;拉伸性能;MODIFICATION OF DECOILER AND RECOILER OF SPINNER BLOCK TENSIDE EQUIPMENT 圓磐拉伸機(jī)開(kāi)卷機(jī)搆和卷取機(jī)搆的改造low tenside stress 低應(yīng)力fluorinated tenside 含氟表麪活性劑 返回 tenside