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铁路使用的全部货车中敞车约占50%,而完成货物的总运量在70%以上。因此,提高敞车主要部件的可靠性,以达到坚固耐用、减少维修和节省运费,满足运量发展的需要。
Gondola cars account for about 50% of all trucks used in the railways, while the total volume of goods delivered is above 70%. Therefore, improving the reliability of the main components of the gondola to achieve durability, reduce maintenance and freight costs and meet the needs of traffic volume development.