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本文介绍金属低温机械性能测试用装置的结构与性能,重点介绍试验温度低于-253℃的机械性能测试装置与技术.并介绍部分致冷剂的性质及其适用范围.
This paper introduces the structure and performance of low temperature mechanical properties test equipment, mainly introduces the mechanical performance test equipment and technology with the test temperature lower than -253 ℃, and introduces the properties of some refrigerants and their applicable scope.