feathering control造句

例句与造句

1. On 13 April 1941, all Manchesters were temporarily grounded due to a higher than expected number of engine propeller feathering controls.
2. The system was unlocked by Michael Alsbury, but the feathering control was not moved, indicating an uncommanded feathering as " that action alone should not have been enough to pivot the tails upright " according to the NTSB . The feathering system had been deliberately deployed supersonically during earlier powered flight tests of SS2, although previous activation either occurred in thinner air at higher altitudes, or at much lower speeds than the flight on October 31.
3. It's difficult to find feathering control in a sentence. 用feathering control造句挺难的