"Air is obtained from an external ground cart through a connector located on the fuselage." In the above sentence, the air source are
A.发动机引气; B.APU; C.地面气源车; D.接头;正确答案C
"Air is obtained from an external ground cart through a connector located on the fuselage." In the above sentence, the air source are
A.发动机引气; B.APU; C.地面气源车; D.接头;正确答案C