Turn the adjuster counterclockwise in increments of 60 deg.

A. 它们适用于位于05-20划分中那些案例，其中第四个数不能涵盖上面05-10子系统中致力的所有维修检查。

B. 它们是为05-20划分中的第4位数字所提供的划分数不足以覆盖上述子系统05-10所规定的所有维修检查的那些情况保留使用的。

C. 他们被预留给那些05-20第四级划分号的论据，这个划分不足以覆盖05-10子系统上方说明的所有维修检查。

A. Clear the pipes in order to remove corrosion.

B. Wash the pipes so as to remove dust.

C. Flush the pipes to remove contamination.

A. Pilot reports on flight logbook of 908701 pages fluttering sound from left side of airplane during descend beginning at 11000 feet.

B. Pilot reports trembling sound from left side of airplane during ascend at 11000 feet on flight logbook 908701 page.

C. Pilot reports on flight logbook page 908701 fluttering sound from left side of airplane during descend beginning at 11000 feet.

A. That portion of the system is responsible for the fuel storage components in the system, comprising of storage tank, bag battery, ventilation system, battery and storage tank interconnection device, neck and cover of the wing filler, etc.

B. That portion of the system is used to store fuel, including integral tank sealing, bladder type cells, ventilating system, cell and tank interconnectors, over wing filler necks and caps, etc.

C. A portion in a system can store fuel. Covering storage tank sealing, bag battery, ventilation system, battery and storage tank interconnection device, overhead neck and cover of the wing filler, etc.

A. STE规范表达内容的方式，但不规范格式(例如，字体、编号等)。

B. STE管理规范的内容而不是格式 例如（字号，编码等）。

C. STE被用于规范内容的形式而不是版式（ 例如字号，数字等）。

A. 转矩表是指显示传动轴上可用的输出转矩的指示系统。扭矩可能显示为维度的尺寸，例如英尺-磅，或者参考定义，用百分比或压力值表示。

B. 扭矩表是指显示传动轴上可输出的扭矩指示系统。扭矩可以用尺寸来表示，如英尺-磅，也可以用百分数或压力等参考术语表示。

C. 扭矩表显示传动轴可以输出的扭矩指示系统。扭矩可以用尺寸表示，如英尺-磅，或是用百分数、压力等参考术语表示。

A. Use a solution of foam and water to clean.

B. Clean with bleach and water.

C. Clean with a solution of soap and water.

A. 确保蒙皮未受损伤。

B. 确保皮肤未被侵蚀。

C. 确保蒙皮未划伤。

A. 在高压设备附近工作时，要注意遵守相关的安全预防措施。

B. 进行高压设备操作时要遵守安全操作手册。

C. 在高压设备上工作时要遵守安全防范措施。

A. Only approved personnel can do the installation procedure.

B. Only releasing personnel can do the installation procedure.

C. Only authorized personnel can do the replacement procedure.