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Ahead of us there is a railroad crossing a highway at grade.
前面有一条铁路与公路平面交叉。
youdao
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Crossing-above bridge is one of the important parts in high-class highway.
跨线桥是高等级公路的重要组成部分。
youdao
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Crossing-above bridge is one of the important parts in high-class highway.
跨线桥是高等级公路的重要组成部分。
youdao