Put on goggles to prevent injury to your eyes.

A. 如果有一个或多个叶片损毁，请在发动机日志中记录。

B. 如果有一个或多个叶片缺失，请查看发动机日志中的记录。

C. 若缺少一个或多个叶片，在发动机记录本中予以记录。

A. 残留在零件上的溶剂会导致腐蚀。

B. 残留在零件上的油液会导致腐蚀。

C. 残留在零件上的溶剂会导致穿孔。

A. “基准面”是一个假想的垂直面。以基准面为准来测量用于计算平衡的水平距离。

B. “基准面”上有一架假设的垂直平面，出于平衡考虑，所有的力矩距离都是从它开始测量。

C. “基准面”是一个假想的垂直平面，所有的横向距离都是从它开始测量的，以达到平衡的目的。

A. 复合板材使搭接处更坚固。

B. 加强板使搭接接头更坚固。

C. 经过再次强化的板材使搭接凸缘承力更强。

A. Make an estimate of the necessary quantity.

B. Evaluate on the quantity available.

C. Approximate the scale of the quality.

A. After 10 flight cycles or 25 flight hours, which comes first, the rod end bearing shall be discarded if its wear is greater than 0.010 inch of diameter.

B. If the rod end bearing wear is greater than 0.010 inch in radial play, reject it within next 10 flight cycles or 25 flight hours whichever comes first.

C. Destroy the rod end bearing during 10 flight cycles or 25 flight hours when its wear is more than 0.010 inch of its radius, whichever comes first.

A. 松散接头会造成损伤。

B. 错误连接会造成损伤。

C. 损伤的原因是松散连接。

A. Visually check the forward engine mount to the fan frame bolts if they are correctly installed and damaged.

B. Do a visual check of the bolts which attach the forward engine mount to the fan frame for the correct installation and damage.

C. Visually check the correct installation and damage of the forward engine mount to the fan frame bolts.

A. 检查所有的部件和液力管路连接。

B. 检查所有的部件, 液力接头和连接管路。

C. 连接全部零件和液力管路。

A. The specification gives the symbols for relays, diodes, and other parts of the system.

B. The specification gives the requirement for markings on relay, triode and other parts of the system.

C. The specification excludes symbols for relays, diodes, and other system parts.