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近来,有不少读者来信,要求多刊登一些适合农村、城镇水泥制品厂的工人、管理人员及技术人员学习的通俗易懂的科技资料。鉴于目前推广应用混凝土加外剂与提高混凝土质量、增加混凝土品种、节约能源、加快施工进度等密切相关,本刊决定从本期开始,连续选登《混凝土外加剂知识问答》的有关内容,以供参考。我们殷切希望读者与我们加强联系,把使用外加剂过程中的经验和问题告诉我们,使经验得以推广,问题得到解决。
Recently, many readers have come forward to ask for more general and easy-to-understand scientific and technical materials suitable for workers, managers and technicians in rural and urban cement products factories. In view of the close connection between the promotion and application of concrete and external agents, improvement of concrete quality, increase of concrete types, energy conservation, and speeding up of construction progress, the journal decided to select the relevant contents of the “Concrete Additives Q&A” successively from the beginning of this issue. for reference. We earnestly hope that the readers will strengthen contact with us and tell us about the experience and problems in the process of using admixtures so that experience can be promoted and problems solved.