They are commonly used where a minimum pressure drop is important. 通常用在要求壓降最小的應用場(chǎng)合。
Compressed air lines should be sized to hold pressure drops to a minimum. 壓縮空氣管道的尺寸應能維持壓降在最低限度。
Difference of pressure makes a liquid flow through a siphon. 壓力差使得液體通過(guò)虹吸管。
The pressure control systems provide cabin differential pressure by controlling the outflow of air from the faselage. 壓力控制系統通過(guò)控制機外氣流來(lái)提供客艙壓力差。
