From aspects of the structure form and economic comparison, this paper probes into the practicality and economy of using the hollow blockfloor to replace the cross beam in the frame structure.
从结构形式和经济比较方面，探讨了在框架结构中采用空心楼板代替井字梁的实用性和经济性。
2
John, a fireman, leaped from the roof of an apartment block to save a lovesick woman who had jumped out of her fifth-floor window.
约翰是一名消防员，为了救一名从五楼窗户跳下的患相思病的女子，他从公寓楼的楼顶跳下。
3
Nothing odd about that – except that the apartment was located 400ft up on the 34th floor of a tower block in Jumeirah Beach, Dubai.