名词中文翻译
中文翻译：重力供油
同义词：
['gravity fuel oil', 'heavy duty oil']
例句：
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1.The engine needs gravity feed oil to maintain its efficiency.
发动机需要重力供油来保持其效率。
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2.In heavy industry, gravity feed oil is often used for lubricating machinery.
在重工业中，重力供油常用于润滑机械。
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3. The truck's engine requires gravity feed oil to prevent overheating.
卡车的发动机需要重力供油以防止过热。