structural lightweight concrete的意思|示意
构造用轻混凝土
structural lightweight concrete相关短语
1、 Lightweight aggregates for structural concrete 结构混凝土用轻质集料
2、 structural l lightweight concrete 构造用轻混凝土
3、 structural lightweight aggregate concrete 结构轻集料混凝土
4、 lightweight structural concrete 轻量结构混凝土