?8459.After a hydraulic accumulator has been installed and air chamber charged, the main system hydraulic pres- sure gauge will not show a hydraulic pressure reading until
发布于 2021-02-18 22:10:21
【单选题】 A ?at least one selector valve has been actuated to allow fluid to flow into the fluid side of the accumulator. B ?the air pressure has become equal to the fluid pressure. C ?the fluid side of the accumulator has been charged.
