268.The laptop has three primary parts.

A. 这个单元的主要函数是控制燃油流动。

B. 这个装置的主要功能是控制燃油流量。

C. 这个组件的辅助功用是控制燃油流动。

A. Independent,self-contained,gas reservoir assembly offers 7-9 seconds of pressure for operating after actuation.

B. Divided,self-contained,gas reservoir assembly stores the operating energy within 7-9 seconds prior actuation.

C. Single,self-contained,gas reservoir assembly provides the operating pressure within 7-9 seconds after actuation.

A. 如果凸台处有气漏出,按逆时针方向缓慢转动活门组件。

B. 按逆时针方向缓慢转动活门组件直到凸台处有气漏出。

C. 在气体从凸台漏出之后,按逆时针方向慢慢转动活门组件。

A. Manuals for all single engine aircraft,except those that have been shown to be "critically unable to stall",should have procedures for recovering from a stall.

B. Handbooks for all single engine airplanes,other than for those airplanes which have been shown to be "characteristically incapable of spinning" shall contain procedures for recovery from spins.

C. Manuals for single engine aircraft,otherwise these that have been proved to be "featured unable to spin",should include steps for recovering from a spiral.

A. 排气系统指将发动机燃气排出机外的组件和部件。

B. 排气系统指将发动机引气导入机身的装置和组件。

C. 引气系统指将发动机废气导出机外的装置和组件。

A. There is always room for improvement in the effort to describe these steps.

B. It is impossible to list all the steps because there is always room for improvement.

C. Describing these steps need to do a lot of work.

A. “飞机性能”中的每一项均应对与数据相关的重要条件进行说明。

B. 每一项飞机性能都包含对重要条件和数据的说明。

C. “飞机性能”中的每一条目均应对数据及其重要条件之间的关联性进行说明。

A. If ordering any wire bundles from Boeing is mandatory,operators has the right to purchase the bundles from other supplier and ask them to provide the base wire bundle number (61-30396 in this case) and tail number of the airplane.

B. It is a necessity for the operators to provide the base wire bundle number (61-30396 in this case) and tail number of the airplane on which the bundle is to be installed if ordering any wire bundles from Boeing is necessary.

C. Operators should provide the number(61-30396 in this case) of the airplane where the bundles are to be installed on if ordering any wire bundles from Boeing is necessary.

A. 通气油箱排放单向活门允许通气油箱内的燃油流到 1 号或 2 号主油箱。

B. 通气油箱排放检查活门使通气油箱内的燃油流动于 1 号和 2 号油箱之间。

C. 通气油箱排放单向活门使通气油箱内的燃油流入 1 号及 2 号主油箱。

A. 为了减少分配误差,推荐使用该方法,同时将系统和设备的功能特性告知所有者。

B. 为使辨别时产生的误差最小化,推荐使用该方法,同时对所有者说明系统和设备的使用方式。

C. 建议采用该方法,以最大程度地减少分配出错,同时使所有者获知系统和设备的可用性。