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随着我国社会主义工业的发展和科学研究事业的需要,金属材料在低温下的使用与研究已处于重要位置,因此材料的低温试验方法也必须相适应。我们本着自力更生的精神,用简易装置解决了材料机械性能的测试问题,兹将我们使用的液体介质法和液体喷射法,作如下介绍:
With the development of our country’s socialist industry and the need of scientific research, the use and research of metal materials at low temperatures have become very important. Therefore, the low temperature test methods of materials must also be adapted. In a spirit of self-reliance, we solve the problem of testing the mechanical properties of materials by using simple devices. We will introduce the liquid medium method and liquid jet method we used as follows: