说明:民航系统功能:能给客户提供订票、退票的功能,还能浏览航班航线信息(如航班号、航线、飞行时间及成员订额)和查询航班信息-CAD system functions : give customers booking, a refund of the function, can browse flight route information (such as flight number, route, time of flight and me
<jiaquan> 在 2008-10-13 上传
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