Trunk Tester is equipment that is used to test trunk transmission equipment of the communications system.

干线综合测试仪是对通信系统中的干线传输设备进行检测的仪器。

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Trunk Tester is equipment that is used to test trunk transmission equipment of the communications system.

干线综合测试仪是对通信系统中的干线传输设备进行检测的仪器。

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