| • silt flushing tunnel | |
| प्रधावन: flush flushing | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
प्रधावन सुरंग अंग्रेज़ी में
[ pradhavan suramga ]
| • silt flushing tunnel | |
| प्रधावन: flush flushing | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
