名词
中文翻译：船头指示器
同义词：
['helm light', 'helm indicator lamp', 'helm indicator lamp', 'helm indicator light']
例句：
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1.The helm indicator is used to indicate the direction of the ship's bow.
船头指示器用于指示船首的方向。
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2.The helm indicator was a crucial part of the navigation system on board the vessel.
船头指示器是船上导航系统的重要组成部分。
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3.The helm indicator was used to help the captain maintain control of the ship during high winds.
船头指示器被用来帮助船长在大风中保持对船只的控制。