1566.The combustor mixes air from the compressors and fuel from the fuel nozzles.

A. 副翼回到中立位后,确保它们与襟翼齐平。

B. 副翼回到初始位后,确保它们与缝翼垂直。

C. 襟翼移动到中立位后,确保它们与缝翼齐平。

A. 这些部件易于弯曲、断裂或出现尺寸错误。

B. 这些部件很容易发生弯曲或失去对齐。

C. 这些部件很容易弯曲、断裂或对不齐。

A. 如果轮胎温度升高至超过 177 度,易熔塞熔化且轮胎放气。

B. 如果轮胎温度上升 177 度,易熔塞会熔化并导致轮胎泄气。

C. 当轮胎温度超过 177 度时,保险丝会熔化并导致轮胎漏气。

A. In procedural sentences,you can use a maximum of 20 words before the comma.

B. In procedural sentences,you can use a maximum of 20 words before the colon.

C. In procedural sentences,you can use at least 20 words before the full stop.

A. 压力管路分布在不同方位。

B. 压力管路往不同方向分开。

C. 压力管路的排布方向各有不同。

A. 如果 B 系统释压,液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以及自动缝翼系统的液压马达泵组件。

B. 液压动力转换组件系统是一个液压马达泵组件,在系统 B 释压时,为前缘襟翼和缝翼以及自动缝翼系统提供备用压力。

C. 如果 B 系统增压,液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以及自动缝翼系统的液压马达泵组件。

D. B.液压动力转换组件系统是一个液压马达泵组件,在系统 B 释压时,为前缘襟翼和缝翼以及自动缝翼系统提供备用压力。

E. C.如果 B 系统增压,液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以

F. C.如果 B 系统增压,液压动力传感组件系统就是一个提供备用压力到前缘襟翼和缝翼以及自动缝翼系统的液压马达泵组件。

A. It is forbidden to go into the engine test area with approval.

B. Entering the engine test area must not be approved.

C. Approval is a must when entering the engine test area.

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. One of the safety precautions is to keep the combustible material from the work area at distance of 50ft at least.

B. One of the safety precautions is to keep the flammable material from the work area at distance of 50ft at least.

C. One of the safety precautions is to keep the combustible material from the work area at a minimum distance of 50ft.

A. If you get an unwanted movement,do a test of the system.

B. If the move is not set up by you,verify the system.

C. If the removal is not what you want,test the system again.