美团旗下美团无人机于上海启动首条常态化航线

array(1) { [467883]=> array(2) { [2]=> array(3) { [0]=> string(6) "上海" [1]=> string(9) "无人机" [2]=> string(6) "美团" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }