ram compression的用法和樣例：
例句
- For example there are no ram air scoops on the roof, and no air vents on the wheel arches.
例如，沒(méi)有沖壓空氣水壺的屋頂上，并沒(méi)有通風(fēng)口的輪拱。 - The dynamic performance of a ram air system will vary with Mach number and altitude and this tends to follow the aerodynamic characteristics of the missle.
像導彈空氣動(dòng)力特性一樣，沖壓空氣式系統的動(dòng)態(tài)特性隨馬赫數和高度的變化而變化。
