It presents the realization of information query system depending on S-12 digit program control switch command system.
结合s - 12数字程控交换机人机命令查询系统介绍信息查询系统的具体实现。
It presents the realization of information query system depending on S-12 digit program control switch command system.
结合s - 12数字程控交换机人机命令查询系统介绍信息查询系统的具体实现。
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