名词
中文翻译：浮标
同义词：
['floating rod', 'floater', 'floater gauge']
例句：
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1. The engineer used a floating gauge to measure the depth of the water.
工程师使用浮标测量水深。
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2. The boat's engine was designed with a floating gauge in mind.
这艘船的发动机设计时考虑到了浮标。
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3. The surveyor used a floating gauge to mark the boundary of the land.
测量员使用浮标标记土地边界。