Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/f859ed4f0c8d87474c8d2164dd6e2fe6.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 PBX是什么意思，PBX的翻译，PBX音标、读音、用法和例句_甲百匯小鸡词典
This facility is important in some PBX systems which use nonstandard lines that certain modems will interpret as a dead line. 這種設備在某些專用小交換機系統中非常重要，這些系統用的是非標準線路，某些調制解調器會把它們儅作死線路。