| • friction prop | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
| टेक: burden chock buttress stay skid puncheon tower | |
घर्षण टेक अंग्रेज़ी में
[ gharsan tek ]
| • friction prop | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
| टेक: burden chock buttress stay skid puncheon tower | |
