A new type of surfactant,consists of quaternary ammonium salt and polyethylene glycol side chain,with a high phasetransfer catalytic ability.是什么意思_A new type of surfactant,consists of quaternary ammonium salt and polyethylene glycol side chain,with a high phasetransfer catalytic ability.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句