以下为句子列表：
英文: Its businesses cover the entire oil and gas chain, from crude oil and natural gas exploration and production to the gas downstream (including power generation), transportation, refining, petroleum product marketing, and international crude oil and product
中文: 其业务涵盖整个石油天然气产业链，从石油到天然气的勘探与生产到天然气的下游（包括发电）、运输、炼油、油品销售、原油及成品油的国际贸易。
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