damper actuator造句

例句与造句

1. The end portion of the control module housing which housed the yaw damper actuator had separated from the main portion of the housing.
2. Also, a trade name used by Johnson Controls for pneumatically operated valves and damper actuators utilizing a metal bellows, they were rendered obsolete in the 1930s and 40s
3. It's difficult to find damper actuator in a sentence. 用damper actuator造句挺难的