当扩展时，阻流门阻止风扇排气，迫使空气反向通过级联段。

When extended, the blocker doors block the fan exhaust, forcing air in the reverse direction through the cascade segments.

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桌子、椅子、床脚、锁和钥匙，橡皮窗封条、窗帘、窗帘装饰盒、门阻、门框、铰链和闭门器、窗框等。

Table, chairs , bed, doors, bed castors, locks & keys, window rubber lining, curtain rods, curtain pelmet, door stoppers, frames, hinges & closer, glass top & window frames.

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各运动规律中，阻流门气动载荷在阻流门开始转动瞬间加载。

For all kinetic schedules, aerodynamic load on blocker doors increases sharply once it starts operation.

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