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- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- A severe natural gas shortage shut down many plants. 天然气的严重缺乏使许多家工厂都停工了。
- Natural gas occurrence 天然气藏
- They continued down until they came to some pockets of natural gas. 他们继续往下钻，终於找到了一些天然气的气阱。
- Ten dollars' worth of natural gas; wanted their money's worth. 值十美元的天然气; 需要它们的货币价值
- A gaseous fuel, such as natural gas. 气体燃料处于气态的燃料，如天然气
- The pipeline conveys natural gas to the Midwest. 管道将天然气输送到中西部。
- Where are oil and natural gas found in Britain? 在英国哪里发现了石油和天然气?
- Shizhu County Natural Gas Chemical Facto. 石柱县天燃气化工厂。
- Refined oil, the natural gas market supply stable. 成品油、天然气市场供应平稳。
- The gas occurrence rule is the techno-basement of the study on the gas emission rule and gas harm harness. 煤层瓦斯赋存状态是研究矿井瓦斯涌出规律和瓦斯灾害防治的技术基础。
- Natural Gas Hydrate: the savior of energy crises? 可燃冰:能源危机的拯救者?
- Has natural gas been found in this area? 这个地区发现天然气了吗?
- Natural gas will be the first to run out. 天然气将首先被用完。
- Natural gas is often present in the reservoir rock. 储油岩中常有天然气。
- Exports: crude oil, natural gas, refined products. 出口:重油;天然气;精炼产品.
- The author has made a testing analysis of numerous gas samples collected during drilling,which reveals the gas occurrence regularity in Yuancunjing Colliery. 袁村井田在钻孔中采集了大量的瓦斯样品进行了测试分析,从而初步揭示了区内瓦斯赋存的规律。
- A well or drilling that yields natural gas. 一种产天然气的井或钻井
- The production or natural gas declined slightly. 下倾，下降；衰退，衰落；谢绝，拒绝
