The main distribution manifold supplies the passenger compartment overhead distribution system through tow sidewall risers.

主分配管道通过两个侧壁竖管供气给客舱顶部分配系统。

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The main distribution manifold supplies the passenger compartment overhead distribution system through tow sidewall risers.

主分配管道通过两个侧壁竖管供气给客舱顶部分配系统。

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