短語詞組短語convection n heater 對流加熱器convection type heater 對劣熱器;對流式加熱器;對流熱器;對流式爐radiant and convection type heater 輻射對流型爐down -convection box type heater 煙氣下行式對流箱式爐;煙道氣下行對流箱式加熱爐convection box type heater 煙氣下行式對流箱式爐forced convection heater 強(qiáng)制對流加熱器Pressurized convection heater 加壓對流加熱器natural -convection type air heater 自然對流型空氣加熱器 返回 convection heater