Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/602c7ba0ac89f9fd71b54562094fd8ab.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 wind tunnel英英字典_wind tunnel剑桥英语解释_wind tunnel柯林斯英文解释_94生活常识网有道词典
1. N-COUNT A wind tunnel is a room or passage through which air can be made to flow at controlled speeds. Wind tunnels are used to test new equipment or machinery, especially cars and airplanes. (用於測試新汽車和飛機等的)風洞