能否使你的一只眼睛在换气仍在水中。
通风道,换气坑空气流通的通道,如使矿井。
A passageway or shaft in which air circulates, as in ventilating a mine.
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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