The cost of maintenance is cut down by using alternative energy sources, such as solar cells integrated in the cone-structures supporting the deck.
通过使用替代能源，如太阳能电池集成在锥形结构内支撑露天平台，维护成本也得以削减。
The cost of maintenance is cut down by using alternative energy sources, such as solar cells integrated in the cone-structures supporting the deck.
通过使用替代能源，如太阳能电池集成在锥形结构内支撑露天平台，维护成本也得以削减。
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