1、Engine, thermostat, radiator, pump and the air passage are included in the model.
該系統(tǒng)主要由發(fā)動機、節(jié)溫器、散熱器、水泵以及空氣冷卻系統(tǒng)組成。

2、The air passage is called the air bleed.
空氣通道叫通氣孔。

3、Four different geometric dimension models of air passage had been developed.
建立了四種幾何尺寸不同的空氣通道模型。

air passage翻譯