求翻译：交通运输事业是国民经济的重要组成部分，是国民经济的命脉，是联系工业和农业、城市和乡村、生产和消费的纽带。它在国家的政治、经济、军事、文化建设中具有重要作用。是什么意思？

The transport business is an important part of the national economy, the lifeblood of the national economy, the link of the linkage industries and agriculture, urban and rural areas, production and consumption. It plays an important role in the country's political, economic, military, cultural const

Traffic and transportation industry is an important part of national economies, and is the lifeline of the economy, and is the contact industry, and agriculture, urban and rural areas, production and consumption. It is the political, economic, military, and cultural development has an important role

The transportation enterprise is the national economy important constituent, is the national economy life, is relates the industry and agricultural, the city and the village, the production and the expense link.It in national politics, the economy, the military, the cultural reconstruction has the v

Transportation is an important part of the national economy, is the lifeline of the national economy, is the contact for industry and agriculture, urban and rural areas, production and consumption of a link. It States in the political, economic, military and cultural construction plays an important

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