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Waste water treatment plant or waste water treatment plant comprising several clarification steps
Waste water treatment plant or waste water treatment plant comprising several clarification steps
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机译:包含多个澄清步骤的废水处理厂或废水处理厂
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摘要
A wall of a sewage well or of a small sewage purification plant is according to the invention made of a hollow tube (1). The structure is light and effectively resist load on ground. The tube (1) may also act as a storage (12) for a chemical treatment agent, as a flocculation tube (13) or as a ventilation channel. IMAGE
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