离心泵向组件提供液压油。

A. 拆下螺栓和止动块。

B. 拆下螺帽和挡板。

C. 拆下螺钉和螺帽。

A. 调整倾斜仪，直到气泡位于中心。

B. 在倾斜仪上的气泡位于中心后进行调整。

C. 将倾斜仪调整到气泡的中心位置。

A. 这是一个计划中的维修工作，看是否电池充电， 并且完整的备用飞行显示仪的电池组件是可操作的。

B. 这个维修任务计划是要检查如果电池充好电，内部备用飞行显示仪的电池组件是否是可操作的。

C. 此定期维护任务是检测综合备用飞行显示仪的电池充电器和电池组件是否工作。

A. The operation rods are connected to the hydraulic feedback.

B. The operation barrels are connected to the hydraulic return.

C. The actuators are connected to the hydraulic return.

A. Charge the battery.

B. Fill the battery.

C. Add the battery.

A. This compound is poisonous.

B. This composite is toxic.

C. This agent is volatile

A. 膝盖连接处使钢筋板更加强劲。

B. 重叠接头使加固板强度更大。

C. 加强板可以增加搭接处的强度。

A. Because of the risk of contamination, you must do this task in a very clean environment.

B. To prevent environmental pollution, this task must be done in a very clean area.

C. In order to prevent contamination, the task you must do is to find a very clean environment.

A. Install the can with the aid of a second person.

B. Install the cover with the aid of a second person.

C. On another＇s hand ,install the cover.

A. When the weight or torque of the aircraft change, illustrate how to keep this record in order to save the exact initial values to measure the weight and heavy center in normal flight.

B. Explain how to maintain this record when changes to the weight or moments of the airplane are made so that accurate starting data is available to calculate the weight and center of gravity during normal operation of the airplane.

C. When the changes to the mass or momentum occur, show the way to hold this record to get the beginning information easily to compute the mass and gravity core.