- voice call sign
- 口: mouth
- 声: sound; voice
- 呼叫信号: calling code; call sign; rin ...
- 呼叫信号: call signal; call up signal; calling information; calling signal; distress call; ringing signal
- 呼叫信号灯: calling lamp
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口声呼叫信号的英文
发音:
- voice call sign
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