| • positive ventilation | |
| प्रभावी: dominat dominator effective section effectual | |
| संवातन: ventilating system ventilation system ventilation | |
प्रभावी संवातन अंग्रेज़ी में
[ prabhavi samvatan ]
| • positive ventilation | |
| प्रभावी: dominat dominator effective section effectual | |
| संवातन: ventilating system ventilation system ventilation | |
