masonry sand

用法例句

It can be applied into the afforestation and beautification of masonry protection structure surface with steep gradient,and is also an good exploration for this kind of engineering.

针对公路坡面圬工防护工程中存在的问题,提出的一种新型的圬工挡墙护面绿化技术——阶梯式空心砖护面墙绿化技术,可用于实现较陡坡率的圬工防护构造物表面的绿化美化,同时对于边坡的绿化美化也不失为一种良好的探索。