الصفحة الرئيسية > Term: central warm-air, gravity-type furnace with integral fan
central warm-air, gravity-type furnace with integral fan
A central furnace equipped with a fan as an integral part of its construction and operable on gravity systems only. The fan is used only to overcome the internal resistance to airflow.
- قسم من أقسام الكلام: noun
- المجال / النطاق: السلامة من الحريق
- الفئة: الوقاية والحماية
- Company: NFPA
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