... 无线电电传打字机接收机 rtr radio teletype receiver 无线电电传打字接收机 radiotelephone receiver; radioteletype receiver 电传打字机无线电电传打字机 radio teletypewriter ...
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transmitter-receiver radiotelephone 无线电话收发机
radiotelephone distress frequency watch receiver 无线电话遇险频率值班收信机
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