同义词
1)permeability reducing admixture,减渗外加剂2)water-reducing admixture,减水外加剂3)admixtures water-reducing ratio,外加剂减水率4)permeability reducing agent,减渗剂5)High performance impermeable and crack-resistant admixture,高性能阻裂抗渗外加剂6)high range water reducing admixture,高幅度减水外加剂
