primary air

基本解釋

The curve of relationship between flame speeds and the primary air ratio is got, and when primary air ratio is about 0.
得出了二甲醚火焰?zhèn)鞑ニ俣扰c一次空氣系數(shù)的關系曲線，并且在一次空氣系數(shù)約為0。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
在實驗中，主要通過調整一次空氣系數(shù)和引射器噴口的大小，達到穩(wěn)定燃燒的運行工況。
Based on the experimental result and flame stability theory, the possibility to obtain the optimum parameters of the burners are discussed under different primary air coefficient.
在實驗結果的基礎上利用火焰穩(wěn)定理論，論證了在不同一次空氣系數(shù)時獲得最佳燃燒器參數(shù)的可能性。

Suddenly, he remembered how he had to hold two water buckets up in the air in primary school, along with the faces of the headmaster and his homeroom teacher.
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一次風
At the same time, the primary air system was monitored on-line.
與此同時對鍋爐一次風系統(tǒng)進行了在線監(jiān)測。
機械工程
一次風
一次空氣