- cowper blast heaters
- • въздухонагревател
English-Bulgarian polytechnical dictionary . 2013.
cowper blast heaters
Look at other dictionaries:
Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… … Wikipedia
