1.
A funnel - shaped device used to direct and amplify the voice.
扩音器用来传声或扩音的漏斗形装置
2.
a portable loudspeaker with built-in microphone and amplifier.
内部带有扩音器和扬声器的轻便的扩音器。
3.
Standard microphone. Capacitor or push-pull microphone can be specified.
标准扩音器。可指定电容器式或推拉式扩音器。
4.
addressed us over the loudspeaker
透过扩音器对我们演讲
5.
Surround amplifier
环绕立体声打扩音器
6.
The company's Relay Division can manufacture the new relay.
新扩音器由公司的扩音器部门加以制造。
7.
came her voice over the loudspeakers.
扩音器中传来了她的声音。
8.
a loudspeaker that reproduces lower audio frequency sounds.
能够产生低频音的扩音器。
9.
a loudspeaker that reproduces higher audio frequency sounds.
能够产生高频音的扩音器。
10.
Loudspeakers belched out deafening pop music.
扩音器里播放出震耳欲聋的流行音乐。
11.
The blare of the speaker burst upon our ears.
扩音器的噪音突然传进我们的耳中。
12.
The conference hall was installed with radio set and megaphone.
会场里设置了收音机和扩音器。
13.
Should the Relay Division give up its present relay business and start producing the new relay for the Mother Division?
扩音器部门应该放弃目前生意,开始为音响部门生产新的扩音器?
14.
Standard, capacitor or push-pull microphone.
标准、电容器式或推拉式扩音器。
15.
And since the variable costs to the Relay Division would be only $10 for the new relay as compared to $12 for the old relay.
同时扩音器部门的新扩音器的变动成本为10美元,比旧扩音器每单位成本12美元节
16.
One direct labor-hour would be required to produce each relay (the same time at that required by the old relay).
生产每个新扩音器需要一个直接人工小时（与老扩音器一样）。
17.
Drag onto the page, then right-click to specify capacitor or push-pull microphone.
拖到绘图页上，然后右击可指定为电容式扩音器或推拉式扩音器。
18.
A portable device consisting of a microphone attached to a loudspeaker, used especially to amplify the voice.
手提式扩音器一种便携的由麦克风和扩音器连在一起的设备，专用来扩大声音