... supply air 岭空气 supply and exhaust ventilation 供排气通风 supply fan 进气扇 ...
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supply and exhaust ventilation system 进风排风并用系统
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The ventilation system consists of a supply and exhaust air unit with a counterflow heat exchanger which provides 85% heat recovery.
通风通风系统包括一个送风单元，一个排风单元，与一个可回收85%热能的逆流式换热器。
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