1、Some problems of the power transmission circuit in the public address system are discussed.
探討了定壓式公共廣播系統(tǒng)傳輸線路的一些問題。

2、They tried to adapt the public address system into a radio transmitter.
他們想法把廣播設備改裝成無線電發(fā)報機。

3、In this paper, the loudspeaker array in the public address system is described.
敘述擴聲系統(tǒng)用的揚聲器組陣。

4、They tried to adapt the public address system into a radio transmitter
他們想法把廣播設備改裝成無線電發(fā)報機。

public address system翻譯