| 摘要 |
PURPOSE: A total-heat exchanger with connection pipes is provided to ventilate air inside a building. CONSTITUTION: A total-heat exchanger comprises a housing unit(110), inner dampers(210,230), outer dampers(220,240), and connection pipes(211,231). The housing unit is installed inside the building. The inner dampers are installed in one surface of the housing unit. The outer dampers are installed on an outer wall of the building. The connection pipes connect the inner and outer dampers.
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