| • cavity friction | |
| गुहिका: cavity cavum bodily cavity chamber | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
गुहिका घर्षण अंग्रेज़ी में
[ guhika gharsan ]
| • cavity friction | |
| गुहिका: cavity cavum bodily cavity chamber | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
