| • pretracheal layer | |
| पूर्व: east orient Sooner supra earlier erst before ago | |
| श्वासनली: bronchial tube windpipe trachea | |
| स्तर: level groups thickness water level degree stratum | |
पूर्व श्वासनली स्तर अंग्रेज़ी में
[ purva shvasanali star ]
| • pretracheal layer | |
| पूर्व: east orient Sooner supra earlier erst before ago | |
| श्वासनली: bronchial tube windpipe trachea | |
| स्तर: level groups thickness water level degree stratum | |
