Fan noise is the most primary noise fountain in the continuouswindtunnel.
风扇噪声是连续式风洞最主要的噪声源。
2
Pressurizing, continuous and transonic windtunnel is the first one in our country, and it is the world ' s first class tremendous high - speed aerofoil wind.
增压连续式跨音速风洞在我国尚属首例，是具有国际先进水平的大型高速翼型风洞。
3
Nf - 6 windtunnel is a pressurizing, continuous, high - speed and return - flow aerofoil windtunnel.