precast roof slab
常见例句
- Based on the experiment of steel fiber reinforced concrete(SFRC)precast roof slab, analyses through mathematical statistics and theoretical researches. have been performed.
在SFRC自防水預應力鋼筋混凝土屋麪板的試騐基礎上，進行了數理統計分析和理論研究。 返回 precast roof slab