China's freight volume handled by air transport totaled 8.67 billion ton-km in 1997, while the passenger figure was 56.3 million, 20.2 and 16.3 times the 1980 figure.The growth means that, since...
Please login first!
China's freight volume handled by air transport totaled 8.67 billion ton-km in 1997, while the passenger figure was 56.3 million, 20.2 and 16.3 times the 1980 figure.The growth means that, since...