?就传统萘系减水剂(Polynaphthaene Sulphonate Type Water Reducer)
聚羧酸系外加剂,Polycarboxylates Admixture,音标,读音,翻译,英文例句,英语词典 vironmental action of concrete were investigated. 就传统萘系减水剂(polynaphthaene sulphonate type water-reducer,PSWR)和新型聚羧酸系减水剂(polycarboxylic acid type water-reducer,