北半球磨擦层中，在没有强烈天气系统影响的情况下，随高度升高，风向和风速将会

起落架放出，收上，和放下并锁定的最大速度：Maximum airspeed for landing gear extension, landing gear retraction and to fly with landing gear down and locked are:

发动机起动时，EICAS主页上起落架放下/锁定的状态指示显示为（ ）。 At engine start-up, the gear status indicators on the EICAS primary page displays（ ）for down/lock.

哪种方式用来对起落架喇叭声消音？What means is provided to mute the landing gear horn?

防滞系统预位后，什么时候开始工作？Provided the anti-skid System is armed when does it become operational?

失去2号或3号液压系统使飞机仍有（ ）％对称刹车能力，并对工作刹车进行全面防滞控制。Loss of the No. 2 or No. 3 Hydraulic system leaves the airplane with（ ）% symmetric braking capability with full Anti-skid control to the working brakes.

在执行绕机检查时，刹车磨损指示器应在什么情况下进行检查? During External Walkaround, the brake wear indicator pins shall be checked provided that:

前起落架舱门是：Nose gear doors are:

万一出现擦机尾，给机组的指示是：In case of tail strike, indications for the crew will be:

主起落架保持在收上位依靠：The main landing gear are held up by:

哪个液压系统给内侧和外侧刹车提供动力？which hydraulic system(s) powers the inboard and outboard brakes?