For some words, there are notes that tell you to use other approved alternatives or a different construction.

A. 这些组件和部件产生、控制、分配和点燃部件的燃料气缸，为活塞式发动机或涡轮发动机的燃烧室或推力增强器中的空气混合物提供电流。

B. 这些组件和部件能够产生、控制、分配用于点燃活塞发动机的气缸以及涡轮发动机的燃烧室或加力燃烧室中的油气混合气所需的电流。

C. 这些单元和部件产生、控制、分配和点燃部件的燃料气缸，为涡喷式发动机或涡轮发动机的燃烧室或推力增强器中的空气混合物提供电流。

A. If the wheel temperature reaches as high as 177 deg., the core of safety plug shears off and the tire slips.

B. If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

C. The core of the filter element melts once the wheel temperature is above 177 deg., causing the tire to deflate.

A. 如果情况发生变化，则使用不同的材料。

B. 如果情况发生改变，则使用不同的建筑物。

C. 如果意思有变化，则使用不同的结构。

A. 某些油箱被称为配平油箱，因为它们不仅储存燃油，也用于飞机配平．

B. 飞机上一些油箱用于储存燃油，一些油箱用于飞机配平，所以叫做配平油箱。

C. 飞机上用于储存燃油的油箱需要用空气进行配平．这个过程叫配平油箱。

A. 当您提供液压时，确保操纵杆不会接触停止（1）。

B. 当您施加液压时，确保连杆不接触止动块（1）。

C. 当您使用液压时，确保操纵杆不接触止动块（1）。

A. For clean configuration of landing, the limit load factor in g unit should be provided. For spinning and aerobatic aircraft, the load factor of flaps down should be provided as well.

B. The limit maneuvering load factors, in g units of acceleration, for clean cruise and landing configurations, shall be given. The negative g limit, flaps up, should be given for aircraft approved for spinning or aerobatics.

C. The flight maneuver load factor limit in the unit of g should be given for the smooth configuration of aircraft cruising and landing. For aircraft approved for spin or aerobatics, load limits should also be provided when flaps are opened.

A. 拆除部件之前，给系统充气。

B. 安装部件之前，给系统释压。

C. 断开部件之前，给系统放气。

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. 安装后不需向起动机添加滑油。但是必须提供一个新的起动机以及少量的滑油。参考飞机维护手册第12章的第二部分关于油量的要求和程序。

B. 安装后无需向起动机添加滑油。但是你必须提供一个含有少量滑油的新的起动机。参考飞机维护手册第二部分第12章关于油量的要求和程序。

C. 安装后无需给起动机加滑油。但是必须给新的起动机加入少量滑油。油量要求和程序参考飞机维护手册第二部分第12章。

A. 拧松螺钉，但同时不要给它们打力矩。

B. 拧紧螺栓，但此时不要扭矩它们。

C. 拧紧螺母，但此时不要给它们打力矩。