?8352.If an airplane equipped with master cylinders and single-disk brakes has excessive brake pedal travel, but the brakes are hard and effective, the probable cause is
发布于 2021-02-18 22:08:32
【单选题】 A ?the master cylinder one-way cup is leaking. B ?worn brake iinings. C ?worn brake disk causing excessive clearance between the notches on the perimeter of the disk and the splines or keys on the wheel.
