“喇叭筒”造句

控制器通常有错误发现者和喇叭筒.
The controller usually consists of an error detector and amplifier.

他用喇叭筒叫卖, 省劲多了!
He hawks with a megaphone, saving a lot of effort.

喇叭筒对于使用西元574A应该 在500仟赫有可接受的环增益.
The amplifier should have acceptable loop gain at 500 kHz for use with the AD 574 A.

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