砂斑 meaning in English
sand buckle
sand patch
Examples
- During construction of inclined surface concrete for chamfer , it has always been a tough problem to reduce the occurrence of voids , pits and sand spots , etc . on the surface of concrete
摘要在倒角斜面砼的施工中如何降低砼表面的蜂窝、麻面、砂斑、砂线一直是工程施工的一个难题。