他说，预测未来20年，中国航空客运周转量平均增长率将为8.3%，到2027年航空客运周转量将达到1.4万亿人公里。
He said that forecast the next 20 years, China's average growth rate of air passenger volume will be 8.3%, to 2027 air passenger volume will reach 1.4 trillion person-km.
他说，预测未来20年，中国航空客运周转量平均增长率将为8.3%，到2027年航空客运周转量将达到1.4万亿人公里。
He said that forecast the next 20 years, China's average growth rate of air passenger volume will be 8.3%, to 2027 air passenger volume will reach 1.4 trillion person-km.
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