组合交替式活性污泥法工艺有占地少、效率高的优点，但对自控系统也有较高要求。
The UNITANK system has an area of less handling and higher efficiency, but at the same time, higher demands self-control systems.
组合交替式活性污泥法工艺有占地少、效率高的优点，但对自控系统也有较高要求。
The UNITANK system has an area of less handling and higher efficiency, but at the same time, higher demands self-control systems.
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