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二恶英
environ.	polychlordibenzo-p-dioxin PCDD are formed (along with variants including furans) when compounds containing chlorine are burnt at low temperature in improperly operated/designed domestic refuse and industrial waste incinerators where PCDDs can be found in both the flue gases and the fly ash (形成PCDD(包括呋喃等变异体)，当包含氯的化合物被燃烧后，PCDDs可以在废气和飞烟中找到。由于废料和工业废料焚烧炉的设计和操作不当会产生该物质。)
met.	dioxin (【技】一类有毒的含氯有机化合物，有强烈的致畸和致癌作用。钢铁厂矿石造块、金属热加工等过程常常是二恶英的产生源。: Sinter plants in the EU are focusing on reducing dioxin emissions to extremely low levels. 目前，欧盟地区的烧结厂正致力于将二恶英的排放量降到最低程度。)
UN, chem.	dioxin
二恶英有致癌及致畸作用
repr.biol.	dioxin

二 恶英: 2 phrases in 1 subject

Name of organization

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