They are by - products from the oil extraction.

它们是提炼石油时产生的 副产品.

辞典例句

Of course, that makes oil extraction even more expensive.

当然, 这也提高了原油开采成本.

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Work area of oil extraction is a primary unit in petroleum production.

采油工区是原油生产的一线单位.

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Oil extraction appears to be a commonplace and cutting edge issue.

采油啊,貌似就是平凡而很尖端的问题.

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Oil fields: freeze protcction for oil extraction tree.

油田井口采油树的伴热防凝.

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Production brigade of Xianhe Oil Extraction factory has implemented HSE management system since 2001.

胜利油田现河采油厂作业大队自2001年开始推行HSE管理体系.

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Moisture adjustment plays a key not only in oil extraction but also in oil quality control.

众所周知,水份调节是油脂制备的关键.然而,水份与油品质量的关系长期未被充分重视.

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Peanut oil extraction from whole peanut kernel by supercritical CO 2 extraction was studied.

采用超临界CO2萃取技术从整粒花生仁中萃取部分油脂.

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Compared with CEV, multi - function oil - extraction vehicle has three main functions as generating electricity, heating and lifting.

与常规采油车相比, 多功能采油车主要有发电 、 加热及提升3种功能.

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Much waste water was produced with high oil extraction in using polymer flooding technology.

“聚合物驱”采油技术在提高原油采收率的同时也产生了大量的采油废水.

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A gas chromatographic method for analysis of hydrocarbons in edible oil extraction solvent was developed.

建立了食用油脂浸出溶剂组成的气相色谱分析方法.

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The heartwood yields a red dye. Seed can be used for oil extraction.

其心材可生产一种红色的颜料, 种子可用来榨油.

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