The microstructures of the surface regions of a concrete differ from that of the bulk material, and are important because they have a major effect on durability.
混凝土表面区域的微观结构与本体材料很不同，因为对材料的使用寿命有很大影响而显得非常重要。
The microstructures of the surface regions of a concrete differ from that of the bulk material, and are important because they have a major effect on durability.
混凝土表面区域的微观结构与本体材料很不同，因为对材料的使用寿命有很大影响而显得非常重要。
应用推荐