【单选题】VOC是()(volatile organic compounds)的简称。
【简答题】Volatile organic (VOCs) are organic chemicals that form a gas at room temperature. (compounds / complexes)
【简答题】volatile organic compounds (VOCs)
【简答题】In contrast to inorganic compounds, the molecular attraction of organic compounds is weak, so organic compounds are usually volatile and possess low melting points.
【简答题】汽车产品型号包含哪几部分?TJ7131U表示什么意思?