SK Telecom has introduced a service using a float-shaped ultrasonic transmitter, which is connected to a phone on one end and a fishing line on the other.
鲜京电信已引进一套利用浮标状超音波传输器的服务，可将传输器的一端连到手机，另一端连到钓线。
SK Telecom has introduced a service using a float-shaped ultrasonic transmitter, which is connected to a phone on one end and a fishing line on the other.
鲜京电信已引进一套利用浮标状超音波传输器的服务，可将传输器的一端连到手机，另一端连到钓线。
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