The system comprises the infrared broadcaster, the infrared earphone, the infrared voice transcriber and the infrared remote controller.
红外导游系统由红外播音器、红外耳机、红外语音转录器和红外遥控器四部分组成。
The system comprises the infrared broadcaster, the infrared earphone, the infrared voice transcriber and the infrared remote controller.
红外导游系统由红外播音器、红外耳机、红外语音转录器和红外遥控器四部分组成。
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