1. Are toxic chemicals released during oil and oil products fires?
3944
石油和石油产品着火时会将有毒化合物释放到空气中,生成几百米高的滚滚黑烟,随风飘散几百公里。
Toxic compounds can be released into the air during fires of oil and oil products.
3945
火的燃烧效率(烟羽中有毒化合物少)、烟气中污染物的性质和数量取决于当地的风和天气条件。
The generated plum can rise to several hundred meters and dispersed on hundreds of kilometers downwind.
3946
石油引发的火灾会持续数天,而且难以扑灭。
Firescombustionefficiency (less toxic compounds in plum), the nature and amount of the smoke’s pollutants depend on local winds and weather conditions.