要求跨过公路建造一座跨线桥。
It is required to construct an access bridge over a motorway.
他们在计划修建另一座跨线桥。
跨线桥是高等级公路的重要组成部分。
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。
Crossing-above bridge is one of the important parts in high-class highway.
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