主要内容 Main contents) (一)中国钢结构的发展概况; Introduction of the Development for Steel Structure in China 二)冷弯薄壁型钢结构和它的应用; Cold- Formed Steel Structures Its Applications (三)冷弯薄壁型钢结构特性与热轧型钢结构性能主要差别; The Main behaviour Differences Between Cold-Formed stee/& Hot- rolled stee/ structures (四)冷弯薄壁型钢结构技术规范GB50018-2002修订概况介绍。 The brief introduction of revision for Technica/ code of cold-formed Thin-Wall Stee/ structures GB 50018-20022 主要内容(Main Contents)： (一)中国钢结构的发展概况; Introduction of the Development for Steel Structure in China (二)冷弯薄壁型钢结构和它的应用; Cold- Formed Steel Structures & Its Applications (三)冷弯薄壁型钢结构特性与热轧型钢结构性能主要差别; The Main Behaviour & Differences Between Cold-Formed Steel & Hot￾rolled Steel Structures (四)冷弯薄壁型钢结构技术规范 GB 50018-2002修订概况介绍。 The Brief Introduction of Revision for Technical Code of Cold-Formed Thin-Wall Steel Structures GB 50018-2002