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美国的一些摩天大楼近年来出现双层电梯,日本和新加坡的一些大厦也用双层电梯。所谓双层电梯,就是象双层公共汽车一样,分为两层的电梯。凡上单数楼层的乘客
Some U.S. skyscrapers have double-deck elevators in recent years, and some buildings in Japan and Singapore also use double-deck elevators. The so-called double-deck elevator is a two-story elevator like a double-decker bus. Passengers on a single floor