engine functioning的用法和樣例：
例句
- The effects of thrust vectoring angle and angular velocity of vectoring on turbofan engine operation were investigated.
研究了矢量噴管偏轉角和偏轉角速度對渦扇發動機工作的影響。 - The second method of changing engine operating parameters means, in essence , operating fuel lean to increase combustion.
第二種改變發動機工作參數的方法的用意，本質上是用貧燃料來增加燃燒。
