The automatic cleaning function can be realized by the back flush system, so that the cost for frequently replacing the filter element is saved, and the maintenance is simple and easy.
反向冲洗系统，可以实现自动清洗功能，节约了频繁更换滤芯的成本，维护简易。
Not to neglect is the advantage over conventional parks: construction and maintenance is simple and cost efficient.
相比传统公园模式，湿地公园的最大优势就在于其简单而经济的建造和维护。
Not to neglect is the advantage over conventional parks: construction and maintenance is simple and cost efficient.
相比传统公园模式，湿地公园的最大优势就在于其简单而经济的建造和维护。
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