Of these the largest are EgyptAir, South African Airways (SAA) and Royal Air Maroc (RAM).
其中最大的三家航空公司分别是埃及航空公司,南非航空公司(SAA)和摩洛哥皇家航空(ram)。
2
One of the main works to development ramair parawing with high performance is to research its aerodynamic characteristics, and the wind tunnel test technique is usually been taken.