A louver provides the other of the air inlet and outlet passageways, and the louver has a third height at least substantially the same as the first height.
百叶窗提供了所述空气入口通道和所述空气出口通道中的另一种通道，且所述百叶窗具有与所述第一高度至少大体上相同的第三高度。
A louver provides the other of the air inlet and outlet passageways, and the louver has a third height at least substantially the same as the first height.
百叶窗提供了所述空气入口通道和所述空气出口通道中的另一种通道，且所述百叶窗具有与所述第一高度至少大体上相同的第三高度。
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