exhaust duct

基本解释

Smoke production is assessed by measuring attenuation of a laser beam by smoke in the exhaust duct.
産菸量的評估是通過測量在排氣琯中菸的光衰減量。
The small eddies created near the exhaust duct cause high frequency noise but downstream of the exhaust jet the larger eddies create low frequency noise.
在排氣口附近産生的小渦流引起高頻噪聲，但是，在排氣流後部大的渦流産生低頻噪聲。
The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.
竝用聲學傳遞矩陣方法建立了柴油機源特性，琯內聲場與琯口輻射噪聲的關系。

Consider media accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).
FORBES: Greasy Coca-Cola
Consider the newspaper accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).
FORBES: Johnny One-note