loudspeaking
常見例句
- Loudspeaker van; loudspeaking (or Boom) car; sound truck
宣傳車 - sound truck;loudspeaking (or boom) car;Loudspeaker van
宣傳車 - loudspeaking telephone set
敭聲電話機(jī) - loudspeaking set
敭聲電話機(jī) - loudspeaking telephone
敭聲電話機(jī) 返回 loudspeaking