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lift elevator
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电梯
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lift elevator
电梯
在建筑物中,由电力拖动,轿厢运行在至少两列垂直于水平面或与铅垂线倾斜角小于15°的刚性导轨上,用于运送人员或货物的升降设备。这是狭义的电梯概念。广义电梯还包括自动扶梯和自动人行道。
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record of investigation or examination
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