以下为句子列表：
英文: In the early stages of refinery development, when illuminating and lubricating oils were the main products, distillation was the major and often only refinery process.
中文: 在早期炼油工业发展过程中，照明用油和润滑油是主要的产品，蒸馏则成了主要的甚至经常是唯一的炼油工艺。
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英文: This paper introduces to determine elements in lubricating oils by inductively coupled plasmaa tomic emission spectrometry (ICP-AES), This instrumnet has clipping and exact characteristic for inspection of lubricating oils.
中文: 摘要本文介绍用电感耦合等离子发射光谱仪(ICP-AES)测定润滑油中的元素含量，对润滑油的使用监测具有快速而准确的特点。
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