A、 Those fire-resistant partitions and seals mounted on or about the power package for the purpose of isolating areas subject to fire.
B、 Those fire-resistant partitions and seals mounted on or about the power package to isolating areas subject to fire.
C、 Those fire-resistant partitions and seals mounted on or below the power package for the purpose of isolating areas subject to fire.
答案：A
A、 Those fire-resistant partitions and seals mounted on or about the power package for the purpose of isolating areas subject to fire.
B、 Those fire-resistant partitions and seals mounted on or about the power package to isolating areas subject to fire.
C、 Those fire-resistant partitions and seals mounted on or below the power package for the purpose of isolating areas subject to fire.
答案：A
A. 在密封的零件表面涂抹磷酸酯基液压油。
B. 在接触封严的零件表面涂抹矿物液压油。
C. 在零件与封严相连接的地方涂抹液压油
A. 用于指示低压的压力计使用更灵活的管子,更容易展开和卷绕
B. 用于指示较低压力的仪表使用更易弯曲的管子,线圈更易散开和缠绕。
C. 用于指示较低压力的压力表使用的软管更加柔软,可以随时解开和盘绕。
A. A normal exit door is not the same as an exit door used for an emergency evacuation.
B. The exit doors used to facilitate evacuation that are not normally used for exit.
C. An emergency exit door should not be used as a normal exit.
A. The meaning of this paragraph is that different words with the same meaning can be used on one airplane as markers.
B. LAVATORY and TOILET have slightly difference, so they are not allowed to be used as marker on the same airplane at the same time
C. Lavatory and TOILET" have completely different meanings and must not be mixed."
A. 在向系统中注入新滑油之前,强制性童置油滤。
B. 在向系统中注入新滑油之前,必须更换油滤。
C. 在系统中注入新滑油之前,建议更换过滤器。
A. 在填充氧气瓶时,必须强制遵守氧气瓶更换程序。
B. 在填充氧气瓶时,必须强制遵守氧气瓶安全操作程序。
C. 在填充氧气瓶时,必须强制遵守氧气瓶添充程序。
A. Do the leak test of the system.
B. Test the system for leaks.
C. Find the leaks of the sytem.
A. The complexity and stringency of this test or check are different from the operation conditions of the unit.
B. The test or check will change in complexity and stringency no matter what the conditions under which the unit operates.
C. Such tests or checks will vary in complexity and stringency according to the conditions under which the unit functions.
D.
E.
F.
G.
H.
I.
J.
解析：
A. The retaining clip must move quickly into position.
B. The retaining clip should move quickly into position.
C. The retaining clip should move quickly look.
A. 无线电高度表在初始爬升时确定飞机距离地面的高度,确定飞机是否进入近进和着陆阶段
B. 无线电高度表在初始爬升、进近和着陆阶段确定飞机的地形和高度
C. 无线电高度表在初始爬升、进近和着陆阶段确定飞机距离地面的高度
