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播音装置

网络public address system; Used Broadcast Equipment

播音装置

播音装置

播音装置

public address system

铁路词汇3 - drj08的日志 - 网易博客 ... 双筒壁灯 double cylindrical shade wall lamp 播音装置 public address system ...

Used Broadcast Equipment

[F42201] 美国求购播音装置(Used Broadcast Equipment) (7-21)

1

But , the key part of the "timely broadcasting systems " loud- hail speaker was in short supply .

但是，这种 “定时播音装置 ”的关键部件 ——扩音小喇叭货源紧缺。

2

Within a month , more than 40 sets of "timely broadcasting systems" were assembled .

不到一个月时间，就组装完成 40 余套 “定时播音装置 ”。

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