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.
没有油烟等污染，是理想的环保产品；
No pollution such ad lampblack. It is the ideal product of environmental protection.
没有油烟等污染，是理想的环保产品；
No pollution such ad lampblack. It is the ideal product of environmental protection.
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