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  • The automatic remote centralized meter reading system based on PSTN was introduced, and its constitution was given.

    介绍了基于PSTN通信的自动远程集中抄表系统及其结构。

    youdao

  • The automatic remote centralized meter reading system based on PSTN was introduced, and its constitution was given.

    介绍了基于PSTN通信的自动远程集中抄表系统及其结构。

    youdao

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