基本解释n.專用小交換機同根派生 PBX相关词英汉例句用作名詞 (n.)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。PBX更多例句