政府新闻
金山：华东无人机基地揭牌启用 2018-08-31
A waiter loads freshly prepared food onto a drone which then flies along a fixed route to its assigned destination. A deliveryman at the other end collects the food as it lands and carries it the fina...
A waiter loads freshly prepared food onto a drone which then flies along a fixed route to its assigned destination. A deliveryman at the other end collects the food as it lands and carries it the fina...
