说明：  按下按钮，传送带运行，当垃圾在传送带移动时，相关的传感器识别垃圾的种类，当识别属于该垃圾时，推动杆将其对应的垃圾推进对应的垃圾垃圾存放处。
(Press the button, the conveyor belt runs. When the garbage moves on the conveyor belt, the relevant sensors identify the type of garbage. When the garbage belongs to the garbage, the push rod pushes the corresponding garbage to the corresponding garbage storage plac)