primary sewage sludge的意思|示意
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初级污水污泥
primary sewage sludge的网络常见释义
原下水污泥 ... primary pollution source 主要污染源 primary sewage sludge 原下水污泥 primary treatment 初步处理 ...
primary sewage sludge相关例句
Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant.
城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物，主要来自初沉池和剩余污泥的排放。