They would also feature passive heating and cooling systems, as well as natural ventilation, helping to keep electrical demand low.
这些太阳能板以被动加热和冷却系统为特色，还有自然通风设施，以降低电力需求。
Pipes and cable trays are not hidden and most of ventilation and cooling is done through semi-passive systems.
管道和电缆架没有进行埋线，大部分的通风和制冷设施通过半被动式系统完成。
Pipes and cable trays are not hidden and most of ventilation and cooling is done through semi-passive systems.
管道和电缆架没有进行埋线，大部分的通风和制冷设施通过半被动式系统完成。
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