由机械工业部通用机械研究所主持的“氨制冷压缩机气环法试验装置鉴定会”,于7月15日～18日在大连冷冻机召开,由该厂作了实验装置介绍,代表们对该试验装置文件进行了审阅,并对标准制冷量为44万大卡/小时的 The “Ammonia Refrigeration Compressor Air Ring Test Equipment Appraisal Meeting”, chaired by the General Machinery Research Institute of the Ministry of Machinery Industry, was held in Dalian Freezer from July 15 to July 18 and was introduced by the plant. The test device document was reviewed and the standard cooling capacity was 44 thousand kcal / hour