名词
中文翻译：Unknown
同义词：
['depth gauge', 'depth indicator', 'water level gauge']
例句：
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1. The dipmeter was used to measurethe depth of the lake.
使用测深仪来测量湖泊的深度。
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2. The depth indicatorshowed that the water level had risenby five feet.
深度指示器显示水位上升了五英尺。
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3. The water level gauge indicatedthat the reservoir was full.
水位计显示水库已经满了。