第一冲刷设备地规模地巨细，以知足需求地雨水集水系统。
First-flush devices range in size to meet the demand of the rainwater catchment system.
第六：德黑兰缺水的问题，在我们设计中添加了一个集水系统，从屋顶收集雨水过滤后用于灌溉。
Sixth: With having the water issue of Tehran in our minds we have added a water harvesting system to the project to collect the rainwater from the roof; to be used for irrigation after filtration.
另外，每一所住宅都有充足的能源与高效保温。一个随时运转的太阳能热水器，和一个集水系统来回收雨水用来冲洗卫生间或是洗衣服。
Plus, each house is highly energy efficient with ample insulation, an on-demand solar hot water heater and a catchment system that recycles rainwater to flush the toilet and wash clothes.
另外，每一所住宅都有充足的能源与高效保温。一个随时运转的太阳能热水器，和一个集水系统来回收雨水用来冲洗卫生间或是洗衣服。
Plus, each house is highly energy efficient with ample insulation, an on-demand solar hot water heater and a catchment system that recycles rainwater to flush the toilet and wash clothes.
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