飞机定票系统 主要功能：航班信息录入（同时此模块可添加航班信息） 航班信息浏览 航班信息查询 办理顾客定票业务 办理顾客退票业-Aircraft scheduled for the main functions of counting system: flight information entry (This module can be added at the same time flight information) flight information flight information browser for customers to book tickets for the customer refund business industry