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。Even an air - entraining agent can be used because the minute pores are discontinuous.甚至可以使用加气剂,因为小的气孔是不连通的.Third, the option of ...
He KO'd Nathan Mann in the third round.他在第3回合将内森·曼打晕了过去。Two Olympic table tennis silver medallists, Mr Li Ching and Mr Ko Lai - chak, attracted at HKIA.奥运乒乓双打银牌得主李静及高礼泽回港, 吸引大批群众前来机场欢迎." Well, what are you doing her...