1189、Polish the window with a circular movement.

A. 　测量压力下降所需时间。

B. 　必须测量压力下降时间。

C. 　压力下降所需时间是可以测量的。

A. 　 Many electrical power components are in the EE compartment.

B. 　 Many electrical power components are in the cargo compartment.

A. 　 contamination of the grease can cause damage to the bearing

B. 　 contamination of the oil can cause damage to the shaft

C. 　 pollution of the grease can cause damage to the axle

A. 　可以通过拆下保护盖来接近机械装置

B. 　重新安装保护盖来接近机械装置

C. 　拆下保护盖来获得机器

A. 　检修时更换的螺母和垫圈不要丢弃,应该进行检查

B. 　如果在检查过程中拆卸了螺母和垫圈,则应更换不要重复使用

C. 　对拆下的螺母和垫圈要进行检查,损坏的件不可以重复使用

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.

A. 　如果发现铜颗粒;在发现之日起的 30 天内重复执行整个程序(机轮不承重)。

B. 　如果发现金属碎屑,从即日起在 30 天内完成整个修理程序(机轮承重)。

C. 　如果发现琥珀色指示参数,针对发现的数据在 30 天内重复所有程程序(机轮离地)。

A. 　防止部件移动以使能修理装置

B. 　当你修理部件时要避免部件运动、

C. 　 当你修理组件时应防止部件移动

A. 　 Do not reach this speed with a given flap setting.

B. 　 Do not exceed this speed with a give flap setting.

C. 　 Do not exceed this speed with a given flap setting.

A. 　 Make sure that the movement limits of the flight control surfaces are free.

B. 　 Make ‘sure that the travel ranges of the flight control surfaces are clear

C. 　 Make sure that the travel limits of the flight control rudders are clean.