If the brackets are not damaged, continue the procedure.

A. By using the basic provisions of FAR 21.50, revisions become consistent with the format of the specification.

B. FAR 21.50 provisions are the basic to the revisions which are consistent with the format of the specification.

C. To make revisions consistent with the format of the specification, the provisions of FAR 21.50 should be adopted as a basis.

A. This module gives good procession from defect.

B. This metal gives good protection from erosion.

C. This material gives good protection from corrosion.

A. 注：在随后的测试中，当来自交输进口的燃油流量超过5 毫升/分钟时，你将获得开启压力。

B. 注：在随后的测试中，当来自交输进口的燃油流量超过5 毫升/分钟时，你将获得刮痕压力。

C. 注：在随后的测试中，当来自横穿进口的燃油流量超过5 毫升/分钟时，你将获得刮痕压力。

A. 止动螺母的不正确调整会造成方向舵脚蹬的损坏。

B. 方向舵踏板的止动螺钉不恰当的调节会带来伤害。

C. 方向舵脚蹬上的止动螺栓的不恰当调节会造成损坏。

A. 保留勤务部件，更换那些损坏的。

B. 报废损坏的部件后，保留所有可用的。

C. 保留所有可用的部件，报废那些损坏的。

A. If the pump is not suitable to be used, replace it.

B. If the pump is outmoded, replace it.

C. If the pump malfunctions, change the location for it.

A. 告诉一个人撤除轮挡。

B. 告诉A撤除轮挡。

C. 告诉一个人去拆卸机轮。

A. 勤务门指最开始用于为飞机系统和设备提供服务的外舱门。

B. 勤务门指主要用于对飞机系统和设备实施勤务时的接近门。

C. 勤务门即外舱门，主要用于为飞机系统和设备提供服务。

A. Navigation and full/static pressure systems refer to those units and components that provide aircraft navigation information, covering OOMB, pitot, static, ILS, flight guides, binnacles, indicators, etc.

B. Navigation and pitot/static systems refer to those units and components which provide aircraft navigational information, including VOR, pitot, static, ILS, flight director, compasses, indicators, etc.

C. Navigation and pitot/static systems refer to those units and components that provide aircraft navigation information, including VOR, pitot, still tubes, instrumental system, flight manual, compasses, indicator, etc.

A. Different meanings occur when words are combined in different ways.

B. When words can link up in different ways, ambiguity occurs.

C. Misunderstanding happens when words are contained in different modes.