Derrick-type reinforced concrete beam often appears in the framework of house walls and building walls that don't support the weight of walls, boards and so on.
王艳丽，张云龙，费以原钢筋混凝土井式梁在屋面和非承墙、板荷载的楼面结构多有出现。
You can choose the rings, hook type, derrick installation.
可以选择吊环式，挂钩式，吊杆式安装方式。
You can choose the rings, hook type, derrick installation.
可以选择吊环式，挂钩式，吊杆式安装方式。
应用推荐