Domestication, culture of inoculation sludge and design of activated sludge handling system were studied.
对接种污泥的驯化和培养，活性污泥处理系统设计等方面进行了研究。
Promoting Putzmeister Sludge handling system and technology to Coal Mine industry, and trying to get more market share.
推广普茨·迈斯特公司的污泥系统及技术到煤矿电厂行业，赢得更大的市场份额。
Wastewater treatment plants concentrate large quantities of phosphorus and ammonia in their sludge-handling streams.
一般在污水处理厂的污泥中会富集大量的磷和氨。
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