blocker door

• 阻流门

blocker door的用法和样例：

例句

1. The ddrag link attaches to the blocker door with a link attachment fittin and to the inner duct with a bolt.
   阻力连杆用一个连接装置连接到阻流门并用一个螺栓连接到内部管道上。
2. When extended, the blocker doors block the fan exhaust, forcing air in the reverse direction through the cascade segments.
   当扩展时，阻流门阻止风扇排气，迫使空气反向通过级联段。