This paper analyzes the influence of elbow on the concentrating performance of louver concentrators and researches the working state of louver concentrators behind elbow.
分析了弯头对百叶窗浓缩器浓缩性能的影响；研究了弯头后百叶窗浓缩器的工作情况。
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。
The utility model relates to a louver valve, in particular to a rigid louver valve applied to blowers, air conditioners and various large-scale pipelines.
本实用新型涉及一种百叶阀，具体地说是一种应用于风机、空调机和各种大型管道中的刚性百叶阀。
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