A、 除非所有固态杂质在进入设备前从空气中过滤，否则它们会卡阻，经常在转子承受范围内减缓转子的转动。
B、 除非所有固态污染物在进入仪表前从空气中去除，否则它们会积累,通常在转子轴承中，并减慢转子的速度。
C、 如果空气中所有的固态污染物不在吸入仪表前去除，它们通常会在旋翼轴上聚集，并减慢旋翼速度。
答案：B
A、 除非所有固态杂质在进入设备前从空气中过滤，否则它们会卡阻，经常在转子承受范围内减缓转子的转动。
B、 除非所有固态污染物在进入仪表前从空气中去除，否则它们会积累,通常在转子轴承中，并减慢转子的速度。
C、 如果空气中所有的固态污染物不在吸入仪表前去除，它们通常会在旋翼轴上聚集，并减慢旋翼速度。
答案：B
A. The units used by pilots are the most valuable.
B. The units used are those which are the most expensive for pilots.
C. The units are the most useful for the pilots.
A. Uncontrolled system or old equipment cause hydraulic fluid flow from hydraulic system A to B.
B. If you fail to operate the system control properly or the equipment is damaged, the hydraulic fluid will be transferred between hydraulic system A and B.
C. Flow of hydraulic fluid between hydraulic system A and B result in accidental operation of system controls or damaged equipment.
A. Repair or replace the wire bundle or conduit per the requirements of AMM.
B. Refer to the requirements of AMM repair or relocate the wire bundle or conduit.
C. According to AMM require to repair or change the wire bundle or conduit.
A. Due to the incorrect level of pressure, the system will not work.
B. As long as the fluid level remains unstable, the system will fail.
C. Because the fluid level is incorrect, the system will not operate.
A. Guarantee a consistent performance of the probe.
B. Maintain an uninterrupted movement of the probe.
C. To ensure continuous movement, the probe must be kept in motion.
A. The seat shall be lifted to leave the track locked.
B. Lift the seat until it is away from the track locks.
C. Eject the seat until it is isolated from the track locks.
A. When preparing dangerous goods, follow the operational instructions.
B. Before you use dangerous materials, obey these precautions.
C. Prior to applying any hazardous material, understand the principles of it.
A. 本程序中要求不止一个人。
B. 对于本程序来说，更多的人员要求是必要的。
C. 执行本程序需要超过一个人。
A. 在紧急情况下要无条件的服从乘务人员。
B. 在紧急情况下可以向乘务人员提出问题。
C. 在紧急情况不要向乘务人员提出问题。
A. Use protective goggles when you do work on fire extinguishers.
B. Ensure that you wear protective clothes while performing tasks on fire extinguishers.
C. Use protective gloves when working on fire extinguishers
