The paper based on increased the low-constant temperature test box on the electronic universal testing machines, has finished the uniaxial load strength test of artificial freshwater ice.
通过对电子万能试验机增加低温恒温试验箱，实现了人工淡水冰的单轴加载强度试验。
2
The paper introduces requirement of valve strength test and leakage test, analyse universal problems of valve test, and put forward test technology of valve.
介绍了阀门强度试验和密封试验的要求，分析了阀门试验中存在的普遍问题，提出了阀门试验工艺。
3
In this paper, a test instrument which is universal, quick, simple, convenient, safe and repeatable has been designed for all kinds of built-in fittings in curtain wall.