Although there are only 3 levels, there are actually two elevators.
房屋虽然只有三层高，却有两部电梯。
Office building, 4 stories structure, two elevators and two staircases lead to all stories.
办公业务用房，四层建筑，两部电梯和两部楼梯直达各楼层。
Office building, 4 stories structure, two elevators and two staircases lead to all stories.
办公业务用房，四层建筑，两部电梯和两部楼梯直达各楼层。
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