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中国各航空公司运量ChinaCarriersTransportVolume中国民航全行业主要运输生产指标Industry-wideAirTrafficStatisticsofCAAC航班效益Benefit中国民航一九九八年一月份主要运输生产指标统计
China's airlines traffic ChinaCarriersTransportVolume China's civil aviation industry-wide main transport production indicators Industry-wideAirTrafficStatisticsofCAAC Flight Benefit Benefit China Civil Aviation in January 1998 main transport production statistics