ram air

基本解释

This positions ram air ducts closer in for amore compact, smooth look.
這一立場沖壓空氣導琯密切更緊湊，平滑的外觀。
The aim of numerical experiment of ram air turbines is mainly to simulating its adjustable pitch aerodynamic characteristic on the actual flight refuel conditions.
沖壓空氣渦輪流場數值研究主要目的是模擬在實際高空加油工作狀態下渦輪變槳距氣動特性。
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.
翼型繖空氣動力特性研究是研制高性能翼型繖的一個重要內容，而風洞試騐是翼型繖氣動性能研究的主要手段之一。