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Meaning of 扩音机

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kuò yīn (Trad.: 擴音機)
amplifier; loudspeaker; hearing aid
Example Sentences
1
Suitable for loud speaker, teaching equipments and so on.
2
I just bought an amplifier yesterday.
3
We haven't any amplifiers in stock just at present; but they should come in any moment.
4
广
Admission at the transistor, amplifiers, the widespread adoption of push-pull power amplifier circuit.
5
200
I will blow one of my stereo speakers if I turn my 200-watt amplifier up to wide open?