1979.In the description of the airplane's Landing Gear,shock absorption system shall be described.

A. 如果微型开关不可用,则起动作动筒以防止损坏活门。

B. 如果微型开关不可用,则执行作动筒的限动程序以防止损坏活门。

C. 如果微型开关适用,为了防止损坏活门对作动筒执行拆下的步骤。

A. Information on specific optional systems or equipment may be included in this section or in Section 9,Supplementary.

B. Information about noncompulsory systems or equipment may be included in this section or in Section 9,Supplements.

C. Information on specific optional systems or equipment may be included in this Section or in Section 9,Supplements.

A. 该任务通过调节变频起动机发电机空气/油热交换器上的空气控制活门不工作状态使飞机恢复到正常状态。

B. 在变频起动机发电机空气/油热交换器上的空气控制活门不工作的情况下,该任务在操作后使飞机恢复到正常状态。

C. 该任务使变频起动机发电机空气/油热交换器上的空气控制活门失效状态恢复,从而使飞机恢复到操作后的通常状态。

D. C.该任务使变频起动机发电机空气/油热交换器上的空气控制活门失效状态恢复,从而使飞机恢复到操作后的通常状态。

A. Rub the basin with water.

B. Flush the basin with water.

C. Fill the basin with water.

A. Put down a face mask and protective clothing.

B. Put on a face goggle and protective clothing.

C. Put on a face mask and protective clothing.

A. 安装此组件需要专用工具。

B. 对于安装此组件来说批准的工具是必须的。

C. 专业工具对安装此组件是无所谓的。

A. Airplane maintenance manual or section should contain at least the following information: about the airplane and its systems and installations including its engines,propellers and articles.

B. Airplane structure manual or section should consist of at least the following information: data of the airplane and its systems and installations excluding its engines,propellers and appliances.

C. Airplane maintenance manual or section,which includes at least the following information: a description of the airplane and its systems and installations including its engines,propellers and appliances.

A. This section includes limitations adapted by the airworthiness authority.

B. The limitations included in this Section are approved by the airworthinessauthority.

C. The limitations included in this Section are adopted by the airworthiness authority.

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. If no tabs are used,an identification method should be supplied to facilitate the location of each system or section.

B. If tab dividers are not used,a method of identification shall be provided to permit easy location of each System or Chapter.

C. An identification way should be offered to locate the system and chapter easily if the dividers are improper.