Air-entraining agent increases impermeability of hybrid fiber concrete.引氣劑有助于提高混雜纖維混凝土的抗?jié)B性。Foam has a robust and independent foam connection, water absorption in less than 25 %. impermeability.發(fā)泡有強(qiáng)韌而獨(dú)立的發(fā)泡連接, 吸水率在25%以內(nèi). 具...