| • ventilation efficiency quotient | |
| संवातन: ventilating system ventilation system ventilation | |
| दक्षतांक: efficiency factor figure of merit | |
संवातन दक्षतांक अंग्रेज़ी में
[ samvatan daksatamka ]
| • ventilation efficiency quotient | |
| संवातन: ventilating system ventilation system ventilation | |
| दक्षतांक: efficiency factor figure of merit | |
