As we all know, press the button, the elevator door will open, and each floor body has a door (Ji often irrigation end to kill the devil all the Han family note: the door in the "floor"). But the elevator itself has a door? In other words, the elevator is a hexahedron or a pentahedron More
Each elevator has two doors on each floor
Of course, 6-sided body, there are doors. The elevator has its own door, and there are doors on each floor. Did not you see the elevator? The The
The elevator has a car door (the door of the elevator itself) and the door, the car door and the floor door are connected with the door knife and the doorball, and the door of the car door is closed
1: you are talking about the 6-sided body, one side is the door (car door), or how it will open? 2: each layer also has a door, we called: hall door 3: car door is with the elevator up and down together The car door open, while the mechanical drive to drive the door at the same time open is so simple, you do not understand, you can ask me again
