两个额外的速度可控的电动可移动楼梯能够在第二舞台间自由移动，与演出融为一体。
Two additional electric movable stairways with controlled speed can be driven along the second stage and are integrated into the show.
对闽桥大厦地下室排烟、排风、防烟楼梯间及其前室、消防电梯前室的排烟设计分析比较；介绍空调水系统中电动两通阀的应用。
This paper analyzes several proposals of air exhaust and smoke exhaust in highrise building basement, and briefly introduces electric valves in application of aircodition water system.
根据实际场地和具体要求，可设计成多层楼层，通常2至3层，配有楼梯、护栏或电动升降平台等辅助设施。
According to the actual site and specific requirements, can be designed to multi-floor, usually 2 to 3 layers, with stairs, rails, or electric lift platforms and other ancillary facilities.
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