名词
中文翻译：回声测深仪
同义词：
['echo sounder', 'echo sounding device例句：1. The echo-sounder was used to measure the depth of the water.（回声测深仪被用来测量水的深度。）']
例句：
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1. The echo-sounder was used to measure the depth of the water.
回声测深仪被用来测量水的深度。
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2.The echo-sounder helped us to detect the underwater obstacles.
回声测深仪帮助我们探测水下障碍物。
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3.The echo-sounder provided valuable information about the ocean currents.
回声测深仪提供了有关海洋洋流的宝贵信息。