precast roof slab
常見例句
- 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面板的試驗基礎上，進行了數(shù)理統(tǒng)計分析和理論研究。 返回 precast roof slab