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echo sounder
释义
echo sounder
n.
(名词)
A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.
回声测深器:一种通过向水面发射压力波,并记录水底反射回波到达原发射地的时间来测量水深的仪器
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更新时间:2026/4/6 0:34:36