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为进一步加强预拌混凝土质量管理,确保建设工程质量和安全,促进建筑工程质量稳步提高,天津市城乡建设和交通委员会依据相关法规,制定了新的管理内容,以强化预拌混凝
In order to further strengthen the quality control of ready-mixed concrete, ensure the quality and safety of construction projects and promote the steady improvement of construction quality, Tianjin Urban-Rural Construction and Transportation Commission has formulated new management contents based on relevant laws and regulations so as to strengthen the pre-mixing and coagulation