refined gas

Method: The oil was refined from Harp Seal and analyzed by gas chromatography.

方法：以精制海狗油为原料，采用毛细管色谱柱进行分离，用归一化法计算含量。

Exports: crude oil, natural gas, refined products.

出口: 重油, 天然气, 精炼产品.

Exports: crude oil, diamonds, refined petroleum products, gas.

出口: 重油.钻石, 原油提炼, 燃气.

The gas station is a carrier of refined oil retail business, is the terminal part of the industry value chain, is the representatives of the image of the petroleum sales enterprises, and is the forward position of the market game.

加油站是成品油零售业务的载体，是产业价值链的终端环节，是石油销售企业的形象代表，是市场博弈的前沿阵地。

The coker gas oil was refined by benzyl alcohol extraction.

以苄醇为溶剂,用萃取方法提高了焦化柴油的质量.