常見(jiàn)例句雙語(yǔ)例句This resin is an excellent concrete water-reducing agent.此樹(shù)脂對(duì)混凝土有良好的減水作用。This paper studied the influence of initiator and unsaturated vinyl monomers on the performance of polycarboxylic series of water-reducing agent.研究了帶羧基、磺酸基、聚氧乙烯基等活性基團(tuán)的不飽和單體的摩爾數(shù)比及引發(fā)劑用量對(duì)聚羧酸系減水劑性能的影響。By adding different retarders, the water reducing effect is improved in varied degrees, which reflects the difference of its adaptability to naphthalene water-reducing agent and cement.摻加不同種類的緩凝劑均不同程度促進(jìn)高效減水劑提高減水作用，并且對(duì)減水作用的提高程度反映了該緩凝劑與萘系高效減水劑和水泥三者的適應(yīng)性差別。 返回 water reducing agent