2.1.1 屋盖 roof system
2.1.2 屋架 roof truss
2.1.3 天窗架 skylight truss;monitor frame
2.1.4 屋盖支撑系统 roof-bracing system
2.1.5 等截面柱 constant cross-section column
2.1.6 阶形柱 stepped column
2.1.7 抗风柱 wind-resistant column
2.1.8 实腹钢柱 solid-web steel column
2.1.9 格构式钢柱 built-up steel column;laced or battened compression member
2.1.10 分离式钢柱 separated steel column
2.1.11 钢柱脚 steel column base
2.1.12 柱间支撑 column bracing
2.1.13 起重机梁 crane girder
2.1.14 制动结构 brake structure
2.1.15 起重机荷载 crane load
2.1.16 动力系数 dynamic coefficient |
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