设备制冷量
cooling capacity of the unit
太阳能制冷制热
Solar Energy cooling and heating
Solar heating and cooling
温差电制冷、制热
thermoelectric cooling and heating
余热制冷制热
refrigeration and heat pump
300Hz脉冲管制冷机
300Hz pulse tube cryocooler
CO2跨临界制冷循环
CO2 trans-critical refrigeration cycle
CO2 transcritical cycle