outlet damper

例句：

1. 1. The outletdamper is responsible for controlling the flowof air and water through the ventilation system.
   出口阀门负责控制通风系统的空气和水流。
2. 2. The technicians were instructed toreplace the outlet damper with a newone.
   技术人员被指示用一个新的出口阀门替换旧的。
3. 3. The outlet damper was foundto be faulty and had to bereplaced immediately.
   出口阀门被发现有故障，必须立即更换。