Some contaminant invade human body through several mediums like air, water, food chain, sometimes large quantity of several contaminants invade simultaneously, thus causing peracute danger.
英
美
- 有的污染物在短期内通过空气、水、食物链等多种介质侵入人体,或几种污染物联合大量侵入人体,造成急性危害。