Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/d27611762b41d0c0dcccf3b6b8edf749.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 characteristic-impedance termination是什么意思，characteristic-impedance termination的翻译，characteristic-impedance termination音标、读音、用法和例句_绍翊字体网有道词典