A、 制动系统用于降低滑行速度以及发动机停车状态下的停止螺旋桨旋转
B、 制动系统是用来减少停车时间或在发动机关车的情况下使螺旋桨停止转动
C、 在发动机低速运转或螺旋桨低速旋转时,制动系统能快速刹住
答案：B
A、 制动系统用于降低滑行速度以及发动机停车状态下的停止螺旋桨旋转
B、 制动系统是用来减少停车时间或在发动机关车的情况下使螺旋桨停止转动
C、 在发动机低速运转或螺旋桨低速旋转时,制动系统能快速刹住
答案：B
A. Landing gear is left for ten minutes.
B. Landing gear should be kept extended(伸出) for ten minutes
C. Extend landing gear after ten minutes' retraction.
A. Stringers and the upper wing skin are called vent channels; The vent channels go through drain float
valves in the center tank.
B. Stringers and the upper wing skin are composed of the vent channels. The vent channels got exhaust float
valves from the center tank.
C. Stringers and the upper wing skin make the vent channels. The vent channels have drain float valves in the
center tank.
A. Each manufacturer is expected to abide by the Specification content and arrangement without any
deviation in order to reasonably achieve the objectives of this Specification (enhance safety, reduce efforts,
minimize costs).
B. It is mandatory that each manufacturer adhere to the Specification content and arrangement to achieve
the objectives of this Specification(enhance safety, reduce efforts, minimize costs).
C. Each manufacturer,is expected to adhere ( 坚 持 ) to the Specification content and arrangement
reasonably so as to enhance safety, reduce efforts, and minimize costs which are the objectives of thisSpecification.
A. If there is no respond from the tower, select a different frequency((频率) and contact again
B. lf there is not any answer from the tower, use a different tunnel.
C. lf the tower does not respond, use a different radio device.
A. 用直尺和塞尺测量划痕的深度。
B. 用直边的卡尺测量凹坑的深度。
C. 用直尺和塞尺测量凹坑的深度。
A. 当你拆下罩环时,小心不要损坏法兰组件
B. 当你拆下冠环扇形件时,小心不要造成法兰盘损坏
C. 拆下法兰盘时,小心不要造成冠环扇形件损坏
A. lt is necessary to generally check these areas.
B. lt is imperative to regularly inspect these areas.
C. Frequent inspection of these areas is necessary.
A. 为避免不必要的磨损,将表面涂漆。
B. 为避免不必要的颗粒,将表面清洁。
C. 为避免不必要的摩擦,将表面抛光。
A. 如果在初始印刷版之后必须添加一页,则给添加的页面使用带字母后缀的前一页页码(例如,第 1-6A 页、
A. 在有折痕的书页上,折痕应以页码可见的方式析叠。
B. 在需要折叠的书页上, 折叠的方式应使页码可见。
C. 折叠的方式必须按照折叠要求进行,从而使页码可见。
