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单词
drain-water heat-recovery system
释义
Drain-water heat-recovery system
Drain-water heat-recovery system
A system that extracts heat from hot-water waste lines to preheat cold water before it reaches the water heater or tap; especially useful when paired with on-demand or solar hot-water systems. Also known as graywater heat-recovery system.
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更新时间:2025/3/16 21:08:12