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词汇 echo-sounder
释义 echo-sounder 英'ekəʊs'aʊndər美'ekəʊs'aʊndər BNC²³⁶²¹³⁺¹
基本英英搭配
音响测深机¹⁰⁰

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 returninverted echo sounder反回声测深仪…sonic echo sounder回声探测器echo sounder回声探测器upward-looking echo sounder上视回声探测仪…recording echo sounder记录式回声测深仪…supersonic echo sounder超声波回声测深仪…echo depth sounder回声测深仪,回音测深…
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