Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/8c7b13e60393257c302181d9b03d1dde.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 toroidal system with external winding是什么意思，toroidal system with external winding的翻译，toroidal system with external winding音标、读音、用法和例句_贰靶汉英词典