在上面一支大口径管，会把呼出的气体收集到塑料袋中用来分析。
It holds a wide tube that will route my exhalations into plastic bags for analysis.
介绍了一种分流支管量测流量转换为主管道气体流量的仪器设备。
A partial flow heated gas meter based on intellecture thermal flow sensor and its working principle is introduced in this paper.
介绍了一种分流支管量测流量转换为主管道气体流量的仪器设备。
A partial flow heated gas meter based on intellecture thermal flow sensor and its working principle is introduced in this paper.
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