ram air

基本解釋

This positions ram air ducts closer in for amore compact, smooth look.
這一立場沖壓空氣導管密切更緊湊，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(shù)值研究主要目的是模擬在實際高空加油工作狀態(tài)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.
翼型傘空氣動力特性研究是研制高性能翼型傘的一個重要內(nèi)容，而風洞試驗是翼型傘氣動性能研究的主要手段之一。