air input meaning in Chinese

进风量
进气量
空气输入量

The influence of air condition on air input and charging efficiency
进气状态对汽缸进气量与充气效率关系的影响
This paper introduces the static control experiment of biogas desulfuration , and quantitative effects of controllable factors on desulfuration , such as reaction time , temperature , total gas input , air input and stuffing , were presented
摘要本文介绍沼气生物脱硫静态对照实验，并对反应时间、反应温度、总进气量、空气量、填料等相关可控因子对脱硫过程的影响进行了定量研究。