| • exhaust ventilation • ventilation exhaust | |
| निर्वातक: exhaust exhaust trail | |
| संवातन: ventilating system ventilation system ventilation | |
निर्वातक संवातन अंग्रेज़ी में
[ nirvatak samvatan ]
| • exhaust ventilation • ventilation exhaust | |
| निर्वातक: exhaust exhaust trail | |
| संवातन: ventilating system ventilation system ventilation | |
