常見例句雙語例句Since phenol chemical compound is permanent organic pollutant, phenol-containing wastewater treating has the high priority in water pollution control in our country.酚類化合物屬于持久性有機污染物，含酚廢水在我國水污染控制中被列為需要重點解決的有害廢水之一。 返回 chemical priority pollutant