What air source is used to pressurize rear sump in CFM56 engines? ( )
A、CBP air
B、Fan discharge air
C、Booster discharge air
D、the 5th bleed air from HPC
发布时间:2025-03-17 21:26:26
A、CBP air
B、Fan discharge air
C、Booster discharge air
D、the 5th bleed air from HPC