名词
中文翻译：预油器
同义词：
['preheater', "preheating device例句：1. The preheater is used to warm up the oil before it's used in the engine.（预油器用于在发动机使用前预热油。）"]
例句：
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1. The preheater is used to warm up the oil before it's used in the engine.
预油器用于在发动机使用前预热油。
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2.The preheater is essential for maintaining the proper temperature of the oil in the engine.
预油器对于保持发动机中油的温度至关重要。
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3.The preheater was designed to reduce the amount of oil needed and improve efficiency.
预油器的设计旨在减少所需的油量并提高效率。