| • level | |
| समतल: level slope complanate flat bed tabular square | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
समतल सुरंग अंग्रेज़ी में
[ samatal suramga ]
| • level | |
| समतल: level slope complanate flat bed tabular square | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |