在哪种情况下,AP/FD,自动油门和着陆能力完全消失()
A. 两台IRS或两台ADR失效
B. 两台无线电高度表(RA)失效
C. 两台ILS失效
D. VOR方位闪烁且航道指针消失
内脚手架有()脚手架,()内脚手架和移动式脚手架。
The purging of air from an elector-hydraulic steering gear unit is necessary when()
A. changing over to hand pump operation
B. engaging the trick wheel
C. the system has been filled with new oil
D. the rudder angle indicator does not match the helm positio
全部网点均可受理美元/黄金(盎司)柜面个人账户黄金买卖业务。
A. 正确
B. 错误