名词
中文翻译：燃料空气比指示器
同义词：
['fuel air ratio gauge', 'fuel-air ratio gauge']
例句：
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1. Thefuel-air ratio indicator on the engine shows that it's running low on fuel.
发动机上的燃料空气比指示器显示燃料不足。
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2. The engineer carefully checked the fuel-air ratio indicator before starting the engine.
工程师在启动发动机前仔细检查了燃料空气比指示器。
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3.The fuel-air ratio indicator is essential for maintaining the proper combustion of gasoline in the engine.
燃料空气比指示器对于保持发动机内汽油的适当燃烧至关重要。