今天，生活在高楼大厦里的人日渐增多，依靠电梯“代步”进行社会交际的机会也不断增加，所以，了解一些乘坐电梯的安全知识是必要的。在正常情况下，电梯是高楼的“生命线”，没有电梯，整座大楼似乎就失去了活力。但是，一旦大楼发生意外事故，如火灾等，电梯就有可能变成“ Today, the number of people living in tall buildings is on the rise. There is also an increasing opportunity to rely on elevators for social communication. Therefore, it is necessary to understand some safety knowledge about taking the elevators. Under normal conditions, elevators are the “lifeline” of tall buildings. Without elevators, the entire building seems to have lost its vitality. However, once an accident occurs in the building, such as a fire, the elevator may become "