但在拱肋完全合拢之前，整体结构是一个悬吊体系，其安全控制相当重要。
The whole structure was the suspension system before the completely shut of arch rib. The safety control is very important.
但在拱肋完全合拢之前，整体结构是一个悬吊体系，其安全控制相当重要。
The whole structure was the suspension system before the completely shut of arch rib. The safety control is very important.
应用推荐