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铁路运输系统是我国交通运输系统的重要组成部分。
Railway was the important constituent of transportation system in our country.
youdao
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铁路运输在现代运输系统中占有重要地位。
Railway transporting plays an important role on modern transport system.
youdao
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铁路运输在现代运输系统中占有重要地位。
Railway transporting plays an important role on modern transport system.
youdao