Discuss the air tightness test standards and methods for D-type trains in the city,and analyze the advantages and disadvantages of traditional train air tightness test methods.A new method for train airtightness testing is proposed,and the principle and application of the helium mass spectrometry airtightness detection method are explained,as well as the prospect of future technology of train airtightness test.
关键词
市域D型/气密性试验/试验标准/氦质谱检测法
Key words
D-type train/air tightness test/test standards/helium mass spectrometry detection
维普
万方数据