what is the "舱外排气口"?
2024-01-18维修英语2
what is the "舱外排气口"?
A.actuator
B.diluter demand regulator
C.oxygen mask
D.overboard discharge
正确答案是D
what is the "舱外排气口"?
A.actuator
B.diluter demand regulator
C.oxygen mask
D.overboard discharge
正确答案是D