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本文详细总结了国外减缩剂的化学组成及掺减缩剂的混凝土物理性能、应用情况 ,并扼要介绍我国对这一领域所作的研究及成果
This paper summarizes the chemical composition of foreign shrinkage reducing agent and the concrete physical properties and applications of the admixture, and briefly introduces our country’s research and achievements in this field