高等级道路和铁路的工后沉降一直是理论界和工程界关心与研究的难点问题。
The later construction settlement of high way and railway is the difficult problem studied in theory and engineering circles.
高等级道路和铁路的工后沉降一直是理论界和工程界关心与研究的难点问题。
The later construction settlement of high way and railway is the difficult problem studied in theory and engineering circles.
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