The TAB contains a toothed wheel which is driven at a high angular velocity by the impinging airstreams.
舵片上有一个带齿的轮，这个轮受到气流的冲击而高速转动。
2
Air foil fans are designed, engineered and tested for airstreams requiring high efficiency and quiet operation.
我们公司生产的机翼型叶风机要求在高效，安静的气流操作环境下运行。
3
The impinging jet injection device improves combustion efficiency. If the fuel streams impinge with the airstreams directly at the exit of air-inlet, it makes negative effect on combustion efficiency.