铁路涵洞
- 网络railway culvert
铁路涵洞
铁路涵洞
railway culvert
译网情深 -... ... 悬空脚手架 hanging stage; hanging scaffold 铁路涵洞 railway culvert 涵洞孔径 aperture of culvert ...
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Impact of Railway Culvert Construction on the Ground Temperature of Foundation Soil in Permafrost Regions
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