rectangular closed throat wind tunnel
... rectangular closed throat wind tunnel 矩形闭口式风洞 perforated-throat wind tunnel 开孔壁风洞 wind tunnel with second throat 有第二喉道的风洞 ...
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rectangular closed throat wind tunnel
矩形闭喉风洞
以上为机器翻译结果，长、整句建议使用 人工翻译 。