refined oil meaning in English

精炼油
精制油

A review of researches on china ' s refined oil pricing mechanism
我国成品油定价机制研究综述
The study of refining oil from silkworm chrysalis by organic solvent
有机溶剂提取蚕蛹油的方法研究
Hygienic standard of refined oil
精炼食用植物油卫生标准
China cuts refined oil prices
中国降低精练油价格。
Administrant and technical criterion for retail enterprise of refined oil product
成品油零售企业管理技术规范

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