短語(yǔ)詞組短語(yǔ)surplus heatresidual heat 餘熱surplus heat boiler 餘熱鍋爐Surplus Heat Supply 餘熱供熱surplus heat firing 超熱焙燒utilization of surplus heat 餘熱利用surplus heat reclaimer 餘熱廻收器recuperation of surplus heat 餘熱廻收low temperature surplus heat 低溫餘熱surplus heat recovery 餘熱廻收 返回 surplus heat