名词
中文翻译：海拔指示器
同义词：
['altitude gauge', 'altitude meter']
例句：
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1.The pilot used the altitude indicator to guide the plane's descent.
飞行员使用海拔指示器来引导飞机的下降。
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2.The altitude indicator showed that they were approaching the mountain peak.
海拔指示器显示他们正在接近山顶。
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3. The altitude indicator was an essential tool for pilots during takeoff and landing.
海拔指示器是飞行员起飞和降落时必不可少的工具。