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以电动机为动力的垂直升降机，装有箱状吊舱，用于多层建筑乘人。服务于规定楼层的固定式升降设备。它具有一个轿厢，运行在至少两列垂直的刚性导轨之间。轿厢尺寸与结构形式便于乘客出入或装卸货物。习惯上不论其驱动方式如何，将电梯作为建筑物内垂直交通运输工具的总称。

    A vertical lift powered by an electric motor, equipped with a box-shaped car, designed for transporting passengers in multi-storey buildings. It is a fixed lifting device serving specified floors. The elevator consists of a car that travels between at least two vertical rigid guide rails. The size and structural design of the car facilitate passenger entry and exit, as well as loading and unloading of goods. By convention, regardless of the driving method adopted, elevator is a general term for vertical transportation equipment within buildings.