The equation of air demand was derived from the theory of oxygen transfer in aeration.
根据曝气过程中氧转移的有关理论，推导出需气量的表达式；
The influences of hydrologic condition and air pressure on oxygen transfer ability were studied.
研究了水力条件和曝气压强对氧传质能力的影响。
The influences of hydrologic condition and air pressure on oxygen transfer ability were studied.
研究了水力条件和曝气压强对氧传质能力的影响。
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