874.有必要对这些区域进行频繁检查。

A. 安全地取下标签并闭合这个跳开关。

B. 取下安全标签和闭合的跳开关。

C. 取下安全标签并闭合跳开关。

A. For all fuel loadings,the initial airplane weight should be the maximum allowable.

B. The initial airplane weight should contain the maximum allowable for all fuel loads.

C. For all kinds of fuels,the initial aircraft weight should be the maximum allowable.

A. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.

B. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.

C. The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised theair through ducts to the user systems.

A. 不要拧紧螺母去压紧它。

B. 不要旋转螺母去校准它。

C. 不要拧松螺母去对准它。

A. 如果由于空间限制必须使用晦涩的写法,则应在图像空白区域用引号标识并解释清楚。

B. 如果由于空间限制必须使用晦涩的缩拼,则应用星号标识并在图像空白区域给出全拼。

C. 如果由于空间限制必须使用晦涩的小写,则应在图像空白区域用括号标识并拼写清楚。

A. 应急程序检查单应以简洁缩略的形式表达,来提醒飞行员检查项目时不要担心任何系统的操作细节。

B. 应急程序检查单应列为简略的表格,来告诫飞行员各项目的检查不要提供涉及操作任何系统的细节。

C. 紧急程序检查单应简明扼要,旨在提醒飞行员检查项目,而不提供任何系统的操作细节。

A. Attach the threading cord to the new cable.

B. Attach the screw's cord to the new cable.

C. Attach the screw's wire to the new cable.

A. In some cases,for complex aircraft,special training should be conducted so that the aircraft and its systems can be maintained properly.

B. Sometimes,especially for complex airplanes,it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.

C. Sometimes,for particularly complex airplanes,it is required to provide special training so as to perform proper maintenance of the aircraft and its systems.

A. The operator reassembled the linkage.

B. The operator adjusted the cable.

C. The operator adjusted the linkage.

A. During the retraction test,keep a close watch on the monitor.

B. Continuously observe the indications after the retraction test.

C. Monitor the indications during the retraction test.