| • drift tunnel | |
| अपवाह: runoff drainage draining drift drinage endoreic | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
अपवाह सुरंग अंग्रेज़ी में
[ apavah suramga ]
| • drift tunnel | |
| अपवाह: runoff drainage draining drift drinage endoreic | |
| सुरंग: cave mine tunnel chestnut underpass subway sap | |
