ram air

基本解释

This positions ram air ducts closer in for amore compact, smooth look.
这一立场冲压空气导管密切更紧凑，平滑的外观。
The aim of numerical experiment of ram air turbines is mainly to simulating its adjustable pitch aerodynamic characteristic on the actual flight refuel conditions.
冲压空气涡轮流场数值研究主要目的是模拟在实际高空加油工作状态下涡轮变桨距气动特性。
One of the main works to development ram air parawing with high performance is to research its aerodynamic characteristics, and the wind tunnel test technique is usually been taken.
翼型伞空气动力特性研究是研制高性能翼型伞的一个重要内容，而风洞试验是翼型伞气动性能研究的主要手段之一。