所研究的特定化学物质在人类污水处理厂污泥中发现，在羊进入人类食物链之前，羊吃草处的污泥分布广泛。
The specific chemicals to be studied are found in human sewage sludge which is frequently spread on fields where sheep graze prior to entering the human food chain.
该脱水污泥是被传送螺杆推动通过压力锥进入排放室。
The dewatered sludge is pushed by the conveying screw past the pressure cone into the discharge chamber.
沉淀池的污泥经浓缩池后进入污泥脱水间压滤后运走，用于土地的填埋。
The sludge coming from precipitation pond was concentrated and after pressure filtration, it is moved to land disposal.
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