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3D connection library
Building envelope
Metal roofs
1.4
External hung gutter
外天沟节点轴测
左视图
天沟大样
Drag to orbit · scroll to zoom · right-drag to pan
Erection order (4 steps)
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1. 安装屋面檩条与支架
2. 挂外天沟
3. 铺屋面金属板
4. 固定天沟拉条