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- reconstruction 16
- reconstruction and current repair 1
- reconstruction of railway 1
- reconstruction of railways 1
- reconstruction of railways restructuring culverts 1
- record 1
- record and read - out of information 1
- record-keeping 1
- recourses 2
- recovery 11
- recovery and protecting 2
- recovery method 1
- recovery works 1
- recruitment 2
- recruitment efficiency 1
- rectangle 1
- rectangle contour tunnels 1
- rectangular coordinates 1
- rectangular diametrical section 1
- rectangular function 1