氯苯类有机物在环境中广泛存在，由于其具有不同程度的毒性，生物累积性和持久性，对环境和人畜健康具有潜在危害。
Chlorobenzene is existed in environment, is one kind of pollution with more toxicity and bioaccumulation and persistence, had more harmful to the health of people and livestock.
二恶英、呋喃和金属具有持久性并可在环境中生物累积。
Dioxins, furans and metals are persistent and bio-accumulate in the environment.
二恶英、呋喃和金属具有持久性并可在环境中生物累积。
Dioxins, furans and metals are persistent and bio-accumulate in the environment.
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