ghx
美
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).
使用便攜式紅外線氣體分析儀對(duì)室內(nèi)新風(fēng)量進(jìn)行測(cè)定研究,儀器型號(hào)為GHX-3010E,示蹤氣體選取二氧化碳(CO2)。