Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/e4497e5c0b7664facdc0bf4d8b97aa39.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 backward channel capacity是什么意思，backward channel capacity的翻译，backward channel capacity音标、读音、用法和例句_按摩法牛津词典