| • local exhaust ventilation | |
| स्थानीय: locally patios local topic positional spot | |
| निर्वात: vacuum exhaust vaccum vacuo sultry | |
| संवातन: ventilating system ventilation system ventilation | |
स्थानीय निर्वात संवातन अंग्रेज़ी में
[ sthaniya nirvat samvatan ]
| • local exhaust ventilation | |
| स्थानीय: locally patios local topic positional spot | |
| निर्वात: vacuum exhaust vaccum vacuo sultry | |
| संवातन: ventilating system ventilation system ventilation | |
