bi-directional bar code是什么意思，bi-directional bar code的翻译，bi-directional bar code音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4782 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5356789.com/index.php on line 55
bi-directional bar code是什么意思，bi-directional bar code的翻译，bi-directional bar code音标、读音、用法和例句_橘子朗文词典