Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/97632abd8e89a619117a5f120bc812e4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 duplex telephony是什么意思，duplex telephony的翻译，duplex telephony音标、读音、用法和例句_流逝汉英词典