carrier telephone channel是什么意思，carrier telephone channel的翻译，carrier telephone channel音标、读音、用法和例句

Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/6bbaea5a484945451006cc0d7ce9078c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55
carrier telephone channel是什么意思，carrier telephone channel的翻译，carrier telephone channel音标、读音、用法和例句_骑士汉英词典