The transport service of railway is a basic trade of the national economy, and a main artery of the national economy, have special function in the whole national economy.
铁路运输业是国民经济的基础性行业，是国民经济的大动脉，在整个国民经济中有着特殊的作用。
The transport service of railway is a basic trade of the national economy, and a main artery of the national economy, have special function in the whole national economy.
铁路运输业是国民经济的基础性行业，是国民经济的大动脉，在整个国民经济中有着特殊的作用。
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