ghx

ghx

 英

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例句

Indoor air change flow was determined by portable IR gas analyzer. The instrument was GHX-3010E and the trace gas was carbon dioxide (CO2).

使用便携式红外线气体分析仪室内新风进行测定研究仪器型号GHX-3010E,气体选取二氧化碳(CO2)。