• ventilation and exhaustion | |
संवातन: ventilating system ventilation system ventilation | |
एवं: OR And and | |
निर्वातन: evacuation exhaustion vacuumisation | |
संवातन एवं निर्वातन अंग्रेज़ी में
[ samvatan evam nirvatan ]
• ventilation and exhaustion | |
संवातन: ventilating system ventilation system ventilation | |
एवं: OR And and | |
निर्वातन: evacuation exhaustion vacuumisation | |