When the vapor content in gas is higher, the oxygen content of dry gas should be corrected to the oxygen content of damp gas before calculating the excess air coefficient.
烟气中的水蒸气含量较大时，计算过量空气系数应先将湿烟气含氧量修正为干烟气含氧量；
This paper briefly describes the principle of fuzzy distance coefficient classification method and, with this method, makes cluster analysis for deep gas bed and dry bed of Dongpu depression.
本文扼要地介绍了模糊距离系数分类法的原理，并用该方法对东濮凹陷深部气层和干层作了聚类分析，与试井结论相比效果可佳。
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