“混凝土成本影响因素的探讨”研讨会11月11日在北京怀柔如开。会议由拉法基北京兴发水泥有限公司主办，市政工程、建筑工程、构件厂、搅拌站等单位的总工程师、技术人员70多人参加。本次会议紧紧围绕“混凝土成本影响因素”这一主题，既有生产者对产品性能特点的介绍，也有使? The “Consideration of the Influencing Factors of Concrete Costs” seminar was held on November 11 in Huairou, Beijing. The conference was sponsored by Lafarge Beijing Xingfa Cement Co., Ltd., and more than 70 chief engineers and technicians from municipal engineering, construction engineering, component plants, and mixing plants participated in the conference. The meeting closely focused on the theme of “concrete cost influencing factors”. Both the introduction and performance of the product performance characteristics of the producers?