primary and secondary beam的意思|示意
主次光束
primary and secondary beam的网络常见释义
主次梁 探讨主次梁钢筋交叠施工新法(1)-经济辅导-一级建造师考试网 关键词] 主次梁；钢筋；交叉节点；有效高度 [gap=661]Key words ：primary and secondary beam; bar; cross-node; effective height
primary and secondary beam相关短语
1、 primary and secondary beam transformation 主次梁转换
2、 primary and secondary beam nodes 主次梁节点
3、 primary and secondary beam structure 主次梁结构