波纹外地板结构
external corrugated floor structure
薄板结构
thin-slab construction
thin-slab structure
thin slab structutre
Plate structure
sheet metal structure
thin plate structure
Thin assembled plate structure
层裂板结构
layer crack plate construction
超长框架梁板结构
super-long frame beam-slab structure
叠层垫板结构
plate laminated composite structure