?8355.How can it be determined that all air has been purged from a master cylinder brake system?
发布于 2021-02-18 22:08:35
【单选题】 A ?By operating a hydraulic unit and watching the system pressure gauge for smooth, full-scale deflection. B ?By noting whether the brake is firm or spongy. C ?By noting the amount of fluid return to the master cylinder upon brake release.
