scavenging ratio
换气比值 [内科] respiratory exchange ratio
换气灌注比率 ventilation-perfusion ratio
双侧换气和比赛 Bilateral Breathing and racing
提供反比例换气 inverse ratio ventilation
肺泡换气灌注比率 alveolar ventilation-perfusion ratio
研究试验结果表明，分层扫气可减少换气过程的燃料损失，使燃油消耗率大幅度下降； 使混合气空燃比的范围加大。
The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.
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