整体驱动发电机和APU发电机给飞机AC汇流条以优先顺序供电；给AC BUS 1供电的优先顺序是下列哪个：The Integrated Drive Generators and the APU Generator power the airplane AC busses by a priority system; the switching priority for AC Bus 1 is as follows:

CRJ900飞机的最大无燃油重量是（）kg。The maximum ZFW weight for CRJ900 aircraft is ( )kg.

CRJ900飞机最大落地结构重量限制是___?The Structural weight limitation forlandingof CRJ900 is___.

CRJ900经批准的起飞和着陆最高外界温度限制为___。For CRJ900，the certified maximum ambient temperature for takeoff and landing is___.

CRJ900飞机最大起飞结构重量限制是___?The Structural weight limitation fortakeoff of CRJ900 is___.

进行喷洒除防冰液时不需要关闭空调。We don’t need to close the pack when spraying anti- icing fluid.

当出现结冰警戒信息ICE，如果目视无结冰可以不开防冰。When there is an ICE message, if there is no ice by visual, we don’t need to use anti-ice.

当使用了II类，III类或IV类防冰液后（ ）接通机翼防冰When II III or IV anti-icing fluid is used, () turn on the wing anti-ice

判断正误，即使在机翼前缘和机翼前上表面有少量的霜，冰，雪或雪水，也可能对由失速保护系统提供的失速速度，失速特征以及失速保护产生不利影响，从而可能导致起飞时失去控制。Even small amounts of frost, ice, snow or slush on the wing leading edges and forward upper wing surface may adversely change the stall speeds, stall characteristics and the protection provided by the stall protection system, which may result in loss of control on take-off.

判断正误，在过冷水滴(SLD)结冰条件下，机翼和整流罩防冰系统必须接通。The wing anti-icing and The cowl anti-icing system must be ON in SLD icing conditions.

判断正误，过冷水滴（SLD）结冰条件可以通过驾驶舱侧窗上的积冰指示出来。SLD icing conditions are indicated by ice accretion on the flight compartment side windows