special telephone

• 专用电话

special telephone的用法和样例：

例句

1. Please contact us either via our dedicated telephone hotline or via the Internet.
   我们欢迎客户通过专用电话热线或因特网提供反馈信息。
2. A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system.
   一种自动地将内部用户线连接到电话系统外线的专用电话交换机。