【单选题】The locking device of the nose wheel must always be ____ when an aircraft is towed.
【单选题】“用人之为人,不用人之为我”这是哪一家学派的观点?
【多选题】When an aircraft is too close to the preceding one in the aerodrome traffic circuit which following methods may be taken by ATC?
C.
Follow ATC instruction
【单选题】含水量较大的黏性土最适合的压实机械为( )。
【单选题】下列项目中属于预算定额中人工工日消耗量中人工幅度差的是( )。
【单选题】含水量较大黏性土最适合的压实机械为( )。
【单选题】含水量较大的粘性土最适合的压实机械为( )。
【单选题】When an aircraft is making a turn in flight, the lift is ____ the weight of the aircraft.