Contains stairs, elevators, escalators, restroom fixtures, and a safe. Use for structural diagrams, bathroom layouts, building automation, architectural drawings, and riser diagrams.

• 包含楼梯、电梯、自动扶梯、洗手间设施和保险箱。用于结构图、卫生间布局、构建自动化、结构绘图和竖板图。