concrete floor的用法和樣例：
例句
- The massive concrete floor and the white shiny PVC batt insulation are creating a quiet and cool space.
大規模的混凝土樓板和白色光澤巴特聚氯乙烯絕緣正在創造一個安靜，涼爽的空間。 - Therefore, the NSM is convenient, combined with other strengthening methods, which also meet the RC floor needs better.
嵌筋加固技術原理清晰，施工簡便快捷，同其它加固方法配合使用，可以更好的滿足混凝土樓板加固要求。
