1. 事实信息.................... ... ................. ... ................. ... ................. ... ....................................................................................................................................................................................................................................................... 6 1.5.4 空中交通管制人员 ....................................................................................................................................................................................................................................... 7 1.6 飞机信息 ....................................................................................................................................................................................................................................................... 7 1.6 飞机信息 ....................................................................................................................................................................................................................................................................... 7 ................................................................................................................................................................. 7 1.6.1 一般....................................................................................................................................................................
主要关键词