gas analyzers
气体分析计
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本悌气体分析计 Bunte apparatus
声学气体分析计 sonic gas analyzer
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文中叙述了以气体分析质谱计作指示器，动态法测量渗透率的原理，实验装置与测量结果。
In this paper, it is described the principle of penetration rate measured by dynamic method, experiment set-up and the measured result, the gas mass spectrometer was taken as indicator.
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