全国第三次冬季施工经验交流会议于1985年9月6日至12日在北京召开。参加这次会议的有来自华北、东北、西北地区以及其他有关省市的正式代表146人。这次会议主要讨论:(一)冬季混凝土综合蓄热法施工;(二)混凝土防冻剂在冬季施工中的应 The third national winter construction experience exchange meeting was held in Beijing from September 6 to 12, 1985. At the conference, there were 146 official representatives from North China, Northeast China, Northwest China, and other relevant provinces and cities. The meeting mainly discussed: (a) winter concrete thermal storage method construction; (b) concrete antifreeze in winter construction should be