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自防水预应力钢筋混凝土屋面板的试验基础上，进行了数理统计分析和理论研究。 返回 precast roof slab