551. Use the mark to help you put the clamp in its correct position

A. 检修时更换的螺母和垫圈应该进行检查,不要丢弃

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. 如果你得到了一个不需要的移动,做系统测试。

B. 对于非指令运动,需要使用该系统进行测试。

C. 出现非指令运动时,对系统进行测试。

A. Parallel wound motor is DC electric motor whose field coils are connected in serial with the armature.

B. A parallel wound motor operates at a relatively constant speed.

C. Due to its character of low starting torque, Parallel wound motor is always used as starter.

A. If there is a available service bulletin to correct the problem of moisture ingress into the connector cavity, the letter then will be useless.

B. Refer to this letter to help mitigate moisture ingress into the connector cavity even if there is a available service bulletin to correct the problem.

C. If there is a available service bulletin to correct the problem that moisture ingress into the connector cavity, the letter then will provide procedures.

A. 读者在执行程序或工作步骤之前是否必须知道哪些特定条件,需要先明示。

B. 如果读者在执行某个工序或工作步骤之前必须了解某个具体情况,则首先说明这个具体情况。

C. 如果读者必须了解某个额外要求才能执行工作程序与步骤,先给出这个要求。

A. 浸泡元件四个小时。

B. 冲洗元件四个小时。

C. 打磨元件四个小时。

A. 如果它明显地影响了巡航参数,重力的效果也应该纳入规划。

B. 如果它大大地改变了巡航表现,重量的效果也应该被考量。

C. 如果重量对巡航性能有显著影响,也应该将其影响列入计划。

A. Describe how to operate the safety belt and wire harnesses.

B. Tell the way to use the seat and shoulder belts.

C. The seat and shoulder harness should be used by the pilot.

A. RECORD

B. COPY

C. ENTER

A. Definitions in this manual shall be conformed with those in the Federal Aviation Legislations.

B. Definitions in the handbook shall be consistent with definitions contained in the Federal Aviation Regulations.

C. Definitions in the Federal Aviation Regulations shall be consistent with definitions contained in the handbook.