657.IF ACID ( ), CLEAN THE AREA.

A. 　Fuel leaks can decrease engine performance.

B. 　A fuel leak can cause the engine to operate badly.

C. 　Fuel leakage may be lower engine performance.

A. 　Loosen and remove nut with wrench.

B. 　Tighten and torque nut with spanner.

C. 　Remove and replace nut with wrench.

A. 　FEEL

B. 　TREAT

C. 　TOUCH

A. 　 ensure that there are no loose component in the engine air intakes.

B. 　 ensure that there are no loose dusts in the engine air intakes.

C. 　 make sure that there are no loose objects in the engine air intakes.

A. 　 如果有编号,它们无需遵循本规范中的编号而按流程编号,为了避免因规范
材料不适用飞机构型而产生的“间隙”。

B. 　 如果有编号,它们无需遵循本规范中的编号而按特定的方法编号,以避免因
规范材料不符合飞机型号而产生的“差距”。

C. 　 如果有编号,它们应按顺序编号,无需遵循本规范中的编号,以避免因规范
内容不适用飞机型号而产生的“间隙”。

A. 　 In this configuration, the hydraulic pressure bypasses the valve.

B. 　 In this configuration, the hydraulic pressure gets past the valve.

C. 　 In this configuration, the hydraulic pressure passes the valve.

A. 　All flow control devices within the system, such as check valves, fuel
pumps, accumulators, and relays should be included.

B. 　All flue control devices within the system, such as single valves, fuel
pumps, storage, and relays should be included.

C. 　All flow control devices within the system, such as single valves, fuel
pumps, accumulators, and relays should be included.

A. 　垂直列表使复杂的长句子更容易阅读和理解。

B. 　垂直方向上的清单使复杂的长句子更容易读取和理解。

C. 　长的复合句可以通过垂直列表简化以进行阅读和理解。

A. 　副翼回到中立位后,确保其与襟翼齐平。

B. 　扰流板回到原位后,保证和襟翼对齐。

C. 　在副翼返回中心之后,保证它们和襟翼相连。

A. 　燃油泵安装在隔板上部。

B. 　燃油泵安装在隔板附近。

C. 　燃油泵安装在隔板下部。