随着我国国民经济的迅速发展和人民生活水平的不断提高，制冷空调技术的应用和推广在我国正进入一个高速度发展的阶段。尤其在广东地区，各行业对制冷设备需求量越来越大，空调制冷也不断进入家庭。显然空调制冷业在当代社会中占有举足轻重的地位。目前，早期引进和国内生产的 With the rapid development of our national economy and continuous improvement of people’s living standards, the application and promotion of refrigeration and air-conditioning technology are entering a stage of high-speed development in our country. Especially in Guangdong, the demand for refrigeration equipment in various industries is getting larger and larger. Air-conditioning and refrigeration are also constantly entering the home. Obviously air conditioning and refrigeration industry occupies a pivotal position in contemporary society. At present, the early introduction and domestic production