Concentre and steel both has benefit to the construction industry depends upon the the design and the purpose of the structures.
In terms of the money and time, steel of course a better solution, however, for the durability and fire resistance, concrete would be better than steel.作者:
康固力 时间: 2003-3-21 19:43 标题: 回复: 回复: 钢结构前途问题请教