121.Unwanted change of the original condition of a material because of
chemical or physical vagents or a material that causes such a change.

A. 　转动凸轮以松开管路

B. 　转动卡以使管路自由移动

C. 　转动卡箍以松开管路

A. 　制造商可制定程序,对查询 CAP 时发现的不适航的情况(无论是否包含在 CAP
中)提供反馈(来自遵循 CAP 的营运人和维修厂)。

B. 　制造商可制定程序,将遵循 CAP 时发现的不适航的情况(无论是否包含在 CAP
中)提供反馈(来自遵循 CAP 的营运人和维修厂)。

C. 　制造商可制定程序,对补充 CAP 时发现的不适航的情况(无论是否包含在 CAP
中)提供反馈(来自遵循 CAP 的营运人和维修厂)。

A. 　Adjust compass system 1 until it agrees with compass system 2.

B. 　Synchronize compass system 1 with compass system 2.

C. 　Regulation compass system 1 until it agrees with compass system 2.

A. 　Space permitting, legends shall be spelled out within the diagram rather
than abbreviated or keyed by numerals to a list of legends at the bottom
or on an adjacent page.

B. 　Where Space permits, legends should be illustrated in forms,rather than
briefed or typed in legend lists at the bottom or on adjust pages.

C. 　Space permitting, legends have to be explicited within the chat rather
than syncopated or keyed by numbers to a list of legends at the bottom
or on an adjacent page.

A. 　Those units means that they can prevent it from eroding.

B. 　Those units provide a method of deicing.

C. 　Those units provide away to prevent the formation of ice.

A. 　通常,当在章节末尾或出版物的后部增加页面--不影响手册中的页面时--必
须准备修订版。

B. 　通常,当在章节一端或出版物的背面增加页面--不影响手册中的页面时--必
须随时准备修订版。

C. 　通常,当在章节末尾或出版物的背面增加页面--不影响手册中已经存在的页
面时--必须准备修订版。

A. 　拆/装、拆卸/安装部分应清楚说明拆卸和安装部件或组件所需的步骤顺序,以
及遵循的预防事项。

B. 　拆装、拆卸/安装部分应清楚说明拆卸和重新安装部件或组件所需的步骤顺序,
以及要遵守的预防措施。

C. 　拆/装、拆卸/安装部分应清楚说明拆卸和重新安装部件或组件以及遵循的预防
事项所需的步骤顺序。

A. 　Trichloroethylene is good for health.

B. 　Trichloroethylene is hazard for health.

C. 　When there is trichloroethylene, you shouldn't worry about it.

A. 　The fueling hose must not hit the side of the tank.

B. 　The fueling hose must not hit the edge of the tank.

C. 　The fueling hose must not bond the edge of the tank.

A. 　如果不同时这样做,则会卡住定位销。

B. 　如果不同时这样做,则会导致定位销磨损。

C. 　如果不同时这样做,则会导致定位销脱落。