hollow concrete beam的意思|示意
空心混凝土梁
hollow concrete beam的网络常见释义
混凝土空心板 南水北调与水利科技__期刊 关键词:混凝土空心板;裂缝;原因;措施 [gap=986]Key words: hollow concrete beam;crack;reason;measures
hollow concrete beam相关短语
1、 concrete hollow plate beam 砼空心板梁
2、 concrete hollow slab beam 混凝土空心板梁
3、 stressed concrete hollow plate beam 预应力砼空心板梁