ସଦସ୍ୟତା ନିଅନ୍ତୁ
ପୃଷ୍ଠା ଠିକଣା କ୍ଲିପବୋର୍ଡରେ କପି ହୋଇଛି ।
ଅର୍ଥ : Apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings. Can be used to transfer heat from a reservoir outside in order to heat a building.
ସଂସ୍ଥାପନ କରନ୍ତୁ