Air-entraining agent increases impermeability of hybrid fiber concrete.引气剂有助于提高混杂纤维混凝土的抗渗性。Foam has a robust and independent foam connection, water absorption in less than 25 %. impermeability.发泡有强韧而独立的发泡连接, 吸水率在25%以内. 具...

n.不能透过的性质，不渗透性，不透性...

impermeability的音标：impermeability的英式发音音标为：[ɪmpɜ:mjəbɪ'lɪtɪ]impermeability的美式发音音标为：[ɪmpɜmjəbɪ'lɪtɪ]...