The utility model discloses a biological membrane band frame device for the sewage purification treatment, which consists of a biological membrane band and a frame.
本实用新型公开了一种污水净化处理生物膜带框架装置，由生物膜带和 框架组成。
The utility model discloses a biological membrane band frame device for the sewage purification treatment, which consists of a biological membrane band and a frame.
本实用新型公开了一种污水净化处理生物膜带框架装置，由生物膜带和 框架组成。
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