AC electrical power for airplane _________ is supplied through the external power panel or from an auxiliary power unit(APU) driven generator.
A.ground service B.in flight C.ground operations D.ground handling正确答案C
AC electrical power for airplane _________ is supplied through the external power panel or from an auxiliary power unit(APU) driven generator.
A.ground service B.in flight C.ground operations D.ground handling正确答案C
