更换故障的增压泵。

A. The fire-proof materials and seals are mounted on or about the power unit.

B. The fire-resistant partitions and seals are mounted on the power unit.

C. The fire-resistant partitions and seals are mounted on or about the power package.

A. 张力是正确的。

B. 校正张力。

C. 正确的拉力。

A. The manufacturer may establish procedures to provide drawback on unairworthy conditions.

B. The manufacturer may establish procedures to provide response on unairworthy conditions.

C. The manufacturer may establish procedures to provide recall on unairworthy conditions.

A. Immediately clean the area if one of the two compartments is affected by lead contamination.

B. If there is mercury pollution in the compartments, clean one of the two areas immediately.

C. If there is mercury contamination in one of the two compartments, clean the area immediately.

A. Get medical aid immediately unless you get the solvent in your eyes,.

B. Get medical aid immediately provided you get the compound in your eyes .

C. If you get the solution in your eyes, get medical aid immediately.

A. The condition of the radome is very important for its performance.

B. The condition of the antenna influences its properties greatly.

C. The condition of the radar has an important effect on its characteristics.

A. 如果一个项目具有特别高的复杂性，需要专门的技术、测试设备或专业知识，则不要求将内部图和结构细节，或互联系统、维护、故障排除、检查或修理方面的数据，包括在基本机身维修手册中，对主要部件，如航空电子设备、特殊电子设备、发动机、螺旋桨等。

B. 当一个检查项目特别复杂，需要特殊的技术、测试设备或专业知识时，则无须将较大部件（如航空电子设备、特殊电气设备、发动机和螺旋桨等）的内部图和结构细节，或互联系统、维护、故障排除、检查或修理方面的数据等包括在基本的机体维护手册中。

C. 如果项目具有极高的复杂性，需要专门的技术、测试设备或专业知识，则内部图示和结构细节，或系统互连、维护、故障排除、检查或维修的资料，不需要包含在主要部件的基本机体维护手册中，如航空电子设备、专业电子设备、发动机、螺旋桨。

A. English is not often the mother language of the readers of technical files.

B. English is not often the private language of the readers of technical books.

C. English is not often the required language of the readers of technical pamphlet.

A. 前、后货舱电子组件是相同的。

B. 前、后货舱电子组件是可识别的的。

C. 前、后客舱电子组件是可用的。

A. 机身上有三个顶升点。

B. 机体上有三个基准点。

C. 机腹上有三个插孔。