RDR has various meanings in the Transportation category. Discover the full forms, definitions, and usage contexts of RDR in Transportation.
Radiator is a part of water cooling system, It cools the hot water of engine jacket. A heating unit usually exposed to view within the room or space to be heated; it transfers heat by radiation to objects within visible range and by conduction to the surrounding air, which in turn is circulated by natural convection; usually fed by steam or hot water.
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