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English

Professionals working with GC analyze the content of a chemical product, for example in assuring the quality of products in the chemical industry; or measuring toxic substances in soil, air or water.

Chinese

专业人士利用气相色谱法来分析化学产品中某些物质的含量(如确定化工产品的质量),测定土壤,空气和水中的有毒物质。