Large numbers of existing steel constructions indicates our proficiency in long span steel architecture design, but it always comes with monotone type and obscure concept in connection.

• 虽然由国内设计建成的众多钢结构建筑在实现大跨度方面已经驾轻就熟，但在连接方面往往呈现出手法单调或概念上的含混不清。