Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/83507d8bafaebe3eb7cbec75e2c19c37.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 oscillating klystron是什么意思，oscillating klystron的翻译，oscillating klystron音标、读音、用法和例句_绍翊字体网有道词典