tubular steel roof truss的意思|示意
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钢管屋架
tubular steel roof truss的网络常见释义
管式钢屋架 ... steel roof truss on 乐府藏龙拍摄感受 tubular steel roof truss 管式钢屋架 steel roof truss structure 钢结构屋架 ; 钢屋架结构 ...
tubular steel roof truss相关短语
1、 Rectangular tubular steel roof truss 矩形管钢屋架