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电梯-电梯是一种以电动机为动力的垂直升降机，装有箱状吊舱，用于多层建筑乘人或载运货物。也有台阶式，踏步板装在履带上连续运行，俗称自动电梯。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-dianti</br> generated by yvsou girl
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(28.56701.236.7261.7288.7516)
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(28.56701.236.7261.7288.7516)