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1.Exports: crude oil, diamonds, refined petroleum products, gas.
出口:重油.钻石,原油提炼,燃气.收藏指正
2.Exports: crude oil, natural gas, refined products.
出口:重油,天然气,精炼产品.收藏指正
3.Application of Gas Chromatographic Analysis Method to Examine Refined Products from Tar
应用气相色谱分析法检测焦油精制产品收藏指正
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