试题详情

CFM56-7B发动机，燃油系统提供的伺服燃油用于驱动：（1）HPSOV、（2）LPSOV、（3）TBV、（4）VSV Actuator、（5）VBV Actuator、（6）IGV Actuator

ecomes unserviceable, do the deactivation procedure of the actuator to prevent damage to the valve.

actuator