Refet勒费refn.裁判员refrigeration and air conditioning specialty制冷与空调专业refrigerate design of refrigerator machinery制冷器设计refrigeration and low temperature engineering制冷和低温工程refletcion high-energy electron diffraction反射高能电子衍射refrigeration and air-conditioning equipment制冷空调设备Refrigeration and Air Conditioning Engineering冷冻及空调Refiigeration Technology for Air-conditioning空气调节用制冷技术refrigeration and air- conditioning appliance制冷空调装置Refrigerating and Air-conditioning Equipment Sale制冷及空调设备销售Refining elements without sacrificing interoperability在不影响互用性的前提下精炼各组成部分