电梯突然下坠怎么办？ 很多人担心电梯在运行过程中突然下坠，但事实上，虽然“电梯下坠”是经常遇到的一种故障，但电梯并不是真的下坠了。 “电梯下坠”一般有两种情况： 1、 电梯运行过程中急停 一...
the elevator suddenly fall? Many people worry about the elevator in the running process of suddenly falling, but in fact, although the "elevator falling" is frequently encountered a failure, but the elevator is not really falling. "Elevator fall" in general there are two types: 1, the elevator is running a stop...
