A、 Landing gear is left for ten minutes.
B、 Landing gear should be kept extended for ten minutes.
C、 Extend landing gear after ten minutes＇ retraction.
答案：B
A、 Landing gear is left for ten minutes.
B、 Landing gear should be kept extended for ten minutes.
C、 Extend landing gear after ten minutes＇ retraction.
答案：B
A. 描述飞机刹车系统时，应阐述如何最大程度地发挥刹停作用的同时延长刹车的最大寿命。
B. 描述飞机刹车系统时，应描述如何使用最大刹车以及最大程度地延长刹车的使用寿命。
C. 描述飞机刹车系统时，应阐述如何获得最大制动并制动器的最大寿命。
A. Technical verbs are the same as other approved verbs in STE to obey the rules .
B. Technical verbs must obey the same rules as other approved verbs in STE.
C. The approved verbs are required to obey the rules in STE as well as the technical verbs.
A. STE是一种活的语言，需要用户的反馈来不断改进。
B. STE是一种生活的语言，需要用户的培育来不断验证。
C. STE是一种活的语言，需要用户的输入来不断应用。
A. 排气系统指将发动机废气导出机外的装置和组件。
B. 噪声抑制装置是指系统中降低排气噪声的部分。
C. 排气系统指将发动机废气导出机外的装置和组件。
A. 螺旋桨系统包括完整的机械或电气驱动螺旋桨、泵、马达、调速器、交流发电机，以及用于控制桨叶角的发动机外部或与发动机一体的组件和部件。
B. 螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机是用来控制桨叶角的发动机外部或整体的组件和部件。
C. 螺旋桨系统包括完整的机械或电动螺旋桨、泵、马达、调速器、交流发电机和那些组件和部件，都位于发动机外部，或者与发动机是一个整体，用于控制桨叶角。
A. You need to open the cargo door when the windspeed exceeds 30 knots.
B. Wait for the wind speed to increase to over 30 knots before opening the cargo door.
C. You are allowed to open the cargo door when the wind speed reduces to less than 30 knots.
A. Ensure that the parts bond correctly by applying pressure on the base of the patch.
B. Apply weight to the patch surface to ensure a correct bond between the parts.
C. Do not put pressure on the surface of the patch, as it is unnecessary for proper bonding.
A. If a supply shutoff valve was closed within five minutes, no maintenance performance is needed and shutoff periods are not accumulated.
B. Maintenance action is not necessary and shutoff periods are not calculated unless the shutoff valve was closed for less than five minutes.
C. When a supply shutoff valve was closed for five minutes, maintenance action is hardly required and shutoff duration are not included.
A. 系统由多个部件组成时，如防冰系统由螺旋桨除冰带、机翼和尾翼除冰带或加热的空速静压口等组成，因为各项设备均须获得FAA批准并单独销售，所以可以为此类各个部件提供“补充程序”。
B. 由数个组件组成的系统，如防冰系统，每个组件可能都有“补充程序”，如螺旋桨靴、机翼和尾翼靴或加热空速静态源，如果设备是FAA批准的组件并单独销售。
C. 由多部件组成的系统，如防冰系统，如果设备是经FAA批准并单独销售的，可为每个部件提供“补充程序”，如螺旋桨套、机翼和尾翼套，或加温速度静态源。
A. You can use the left cut to enter.
B. Use the left opening for easy access.
C. Left opening is used to move easily.
