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pVTt法气体流量标准装置
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pVTt法气体流量标准装置
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pVTt法气体流量标准装置
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pVTt method gas flow facility
pVTt法气体流量标准装置
基于压力、容积、热力学温度和时间间隔的测量获得质量流量的计量标准装置。又称pVTt法装置。
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