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中国民航一九九年十月份主要运输生产指标统计CAACTrafficStatisticsofOctober1999中国民航各航空公司运量中国民航全行业主要运输生产指标航班效益Benefit中国民航一九九九年十月份主要运输生产指标统计
China Civil Aviation in October 2009 major transport production statistics CAACTrafficStatisticsofOctober1999 Civil Aviation of China Airlines traffic volume China Civil Aviation industry-wide production of key transport indicators Flight Benefit Benefit China Civil Aviation in October 1999 main transport production statistics