492.Adjust the potentiometer until you do not hear a hum from the
loudspeaker.

A. 　在小型永久装订的手册里,制造商有权利从各个页面中省略制造商的标头,
出版物标题,飞机型号以及发行和修订日期或代码。

B. 　在小型暂时装订的手册里,制造商有资格从各个页面中省略制造商的标头,
出版物标题,飞机型号以及发行和修订日期或代码。

C. 　在小型永久装订的手册里,制造商可以选择从各个页面中省略制造商的标头,
出版物标题,飞机型号以及发行和修订日期或代码。

A. 　飞机性能中至少一项应包括与数据有关的重要条件的说明。

B. 　飞机性能的每一项应包括与数据有关的重要条件的说明。

C. 　飞机制导的每一项应包括与数据有关的重要条件的说明。

A. 　This work is applicable to horizontal installations.

B. 　This work is applicable to direction installations.

C. 　This work is applicable to vertical installations.

A. 　Magnet valves shall be marked with distinctions,is to indicate the
valve spring-loaded into the open or closed position.

B. 　ElectroMagnetic valve shall be marked with a feature indicating whether
the valve is spring-loaded into the open or closed position.

C. 　Solenoid valves shall be shown with a mark,is to indicate the valve
spring-loaded to the open or closed position.

A. 　Loosen and remove nut with wrench.

B. 　Tighten and torque nut with spanner.

C. 　Remove and replace nut with wrench.

A. 　The CAP will come up with main and subordinate airframe components,
and main and subordinate systems to achieve the stated objective of
continued airworthiness.

B. 　Primary and secondary airframe components, and Primary and secondary
systems are contained in CAP to complete the stated objective of continued
airworthiness.

C. 　To continue the stated objective of sustain airworthiness, major and
minor airframe components, and major and minor system are covered in CAP.

A. 　建议执行人工修理。

B. 　给出人工修理的建议。

C. 　建议遵循修理手册执行工作。

A. 　irworthiness Programs prepared to enhance safety.

B. 　、Standardization will enhance safety though uniform interpretation of
inspection requirements contained in

C. 　、Standardization will in accord with this Specification through uniform
interpretation of inspection requirements contained in Continuing

A. 　ACCELERATES

B. 　AGGRAVATES

C. 　INCREASES

A. 　向前旋转手柄

B. 　向后移动水平面

C. 　向后移动手柄