strongly acidic styrene type cation exchange resin强酸: strong acid性: nature; character; dispositi ...苯乙烯: styrene; phenylethene; phene ...系: system; series大孔强酸性苯乙烯系阳离子交换树脂: dmacrporous strongly acidic styrene type cation exchange resins下载手机词典可随时随地查词查翻译