In April 1975, because of the disruption of the national railway movement, the situation improved, the national railway movement improved, the national railway movement improved, the national railway movement improved, in 1974, the national railway began to transport 43.21 million tons less than the previous year, the total number of cargo shipping was reduced by 5.3%; the new railway investment was reduced by 3.9% compared to the year. But the railway industry¡¯s leadership unit had to reduce the total value of the railway production by 21.5% compared to the year in 1974, the situation dared to worsen, the railway transportation problem was also not resolved, the overall deployment of the ministry began to disrupt the airport, and the number of air traffic was reduced by 5.3%; the new railway investment was reduced