echo sounder
读音
汉语翻译
【电】 回声器英语解释：
名词 echo sounder:
- a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return同义词：sonar, asdic
例句：
- A device used underwater to produce pulses of sound, as for an echo sounder.声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置
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