So as to maintain stability, the existing floors composed of cast-iron posts and slab beams were methodically replaced by a new structure composed of mushroom posts and concrete floors poured on site.
为了保证稳定性，由铸铁构件和厚板梁组成的原有楼层均被由一种新的结构来取代，这种新的结构由新型连接构件和现浇混凝土楼板组成。
Furthermore, imagine, if you can, that this engineer's personnel are ordered to erect iron beams and assemble steel posts having never been provided with specific blueprints to follow.
此外，如果你可以的话，设想一下，这个工程师的员工们在没有相应的蓝图的情况下被要求把铁杆树起来并开始装配钢铁桩子。
The posts of civil servants are no longer 'iron bowls'.
公务员职位不再是铁饭碗了。
应用推荐