The manager of one store explained what is seen on screen: "See this customer, he's been standing in front of this rack for ten minutes, clearly he needs some assistance."
一个商店的女经理用画面解释：“你看，那个顾客，在这个架子前站了十分钟了，这说明他需要帮助。
2
Rack design, computer control system touch screen.
挂具设计、计算机控制系统、触摸屏。
3
It mainly consists of formed machine, material rack, material receiving machine and screen controlled by electricity.