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；
Gas flue suction and pressure to adapt, measuring points in the flue gas exhaust and the oxygen content to be corrected in order to maintain a certain excess air ratio, so that burning at its best.
使烟道吸力与煤气压力相适应，测量分烟道中废气的含氧量并加以校正，以保持一定的空气过剩系数，使燃烧处于最佳状态。
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