Interior surfaces are made of sandblasted concrete and timber. 内部表面制成的喷砂混凝土和木材。
Finally, the author briefly discusses the application of diabase-fine sand concrete in engineering, and summarizes a set of technology on the construction of this concrete. 最后，作者介绍了辉绿岩细砂混凝土在实际工程中的应用情况，并总结出辉绿岩细砂混凝土的施工工艺。
