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[1]
TheExperi mentandResearchReportonThermalpipeSubgrade. TheFirstRailwaySurveyandDesignInstitute,NorthwestResearchInstituteofChinaRailwayEngineeringCorporation. . 2003
[2]
TheReportonReasonandInfluenceofLongitudinalCracksonThermalpipeSubgradePro ject. TheFirstRailwaySurveyandDesignInstitute. . 2003