| • mineral lubricant | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
| स्नेहक: lubricant lubricator | |
सुरंग स्नेहक अंग्रेज़ी में
[ suramga snehak ]
| • mineral lubricant | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
| स्नेहक: lubricant lubricator | |
