本文主要介绍1945～1975年国际空调的发展情况。第二次世界大战以后,空调才真正在美国生活的各个领域里发展起来了。1960年左右,美国生产的制冷设备中有40％是用于空调的(用于食品方面的也占40％,其它20％用于别的工业)。日木超过了这一比例数,1957年日本生产的制冷设备有60％是用于空调的。一些欧洲国家从1960年起也把他们生产的较大部份的制冷设备用于空调事业。 This article mainly introduces the development of international air conditioners from 1945 to 1975. After World War II, air conditioning really developed in all areas of American life. Around 1960, 40% of the refrigeration equipment produced in the United States was for air conditioning (40% for food and 20% for other industries). Japanese wood exceeded this ratio, and in 1957 Japan produced 60% of refrigeration equipment for air conditioning. Some European countries have also used the larger part of their refrigeration equipment for air conditioning since 1960.