近年来，饮食业油烟污染已成为城市大气污染的主要来源之一。
Recently, cooking fume is one of the most important air pollution sources in many cities.
饮食业油烟样品分析必须使用食用标准油，使用矿物标准油将产生较大分析误差。
The analysis of oil smoke from dietary industry must use the cooking standard oil. The use of mineral standard oil will bring analytic error.
饮食业油烟样品分析必须使用食用标准油，使用矿物标准油将产生较大分析误差。
The analysis of oil smoke from dietary industry must use the cooking standard oil.
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