fall-back procedure是什么意思，fall-back procedure的翻译，fall-back procedure音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4796 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55
fall-back procedure是什么意思，fall-back procedure的翻译，fall-back procedure音标、读音、用法和例句_淳朴汉英词典