Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/8da664a09f50746d4dcd32e2eb40f4d0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 beam defining aperture是什么意思，beam defining aperture的翻译，beam defining aperture音标、读音、用法和例句_骑士汉英词典