发动机可以把功率传给螺旋桨轴。

A. 空中模式设定30秒后飞行开始。

B. 飞行开始30秒后可以进入空中模式。

C. 当探测到空中模式超过30秒, 飞行开始。

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. The power plant uses an air vent or propeller to produce power.

B. The power plant develops thrust either through the exhaust or through a propeller.

C. The power plant generates propulsion with the aid of the exhaust or a propeller.

A. Due to the incorrect level of pressure, the system will not work.

B. As long as the fluid level remains unstable, the system will fail.

C. Because the fluid level is incorrect, the system will not operate.

A. 拆下螺栓和止动块。

B. 拆下螺帽和挡板。

C. 拆下螺钉和螺帽。

A. In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.

B. Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.

C. Set probe heater switches on the overhead panel in cockpit in AUTO position so that all the heater lights come into view.

A. The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.

B. If the upper drag strut is installed improperly, the lower one will be hit during retraction.

C. The removal of the upper drag strut has to be done properly so that the lower one can fully extend.

A. Lubricate the engine and its accessories with the same brand.

B. Lubricants for the engine and the auxiliary equipment are the same.

C. The engine and the additional devices are greased in a same manner.

A. 每个乘客的座位上的客舱娱乐系统可以传输音频和图像，也可以被连接到乘客系统的喇叭上。

B. 视频娱乐的图像部分被传送到图像娱乐系统所选频道上的每个乘客的座位上，也可以被连接到乘客系统的扬声器上。

C. 视频娱乐的音频部分被传送到音频娱乐系统中所选频道上的每个乘客的座位上，也可以被连接到乘客系统的扬声器上。

A. This document provides supplementary information to the applicable manual.

B. This document provides primary information to the applicable manual.

C. This document provides special information to the applicable manual.