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3D connection library
Portal frames
Bracing
2.5
Horizontal angle roof bracing
屋面水平角钢支撑轴测
俯视图
耳板大样
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Erection order (4 steps)
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1. 屋面钢架梁吊装就位
2. 安装系杆
3. 角钢支撑吊装
4. 高强螺栓紧固