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1. The transport refiner is used to refine the oil before it is sent to the market.
运输精炼机用于将油提炼后送往市场。
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2. The transport refiner has been upgraded to improve its efficiency.
运输精炼机已升级以提高其效率。
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3. The transport refiner is a crucial component in the oil refining process.
运输精炼机是石油炼制过程中的关键组件。