A.機載導(dǎo)航數(shù)據(jù)庫B.機載地形數(shù)據(jù)庫C.機載性能數(shù)據(jù)庫D.飛行計劃系統(tǒng)導(dǎo)航數(shù)據(jù)庫
A.關(guān)客艙B.關(guān)貨艙C.推出D.起飛