名词
中文翻译：油泵
同义词：
['wick oiler', 'oil pump']
例句：
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1.The wick-feed oiler is used to heat the water for bathing.
油泵用来加热洗澡水。
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2. The wick-feed oiler was designed to improve the efficiency of the heating system.
油泵设计用来提高加热系统的效率。
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3. The wick-feed oiler was replaced with a more efficient model after several years of use.
使用几年后，油泵被更高效的型号所替代。