2807. 机载辅助动力装置是那些装于飞机上的机载动力装置(发动机),用于产生和供应单一类型或辅助电力、液压、气动或其他动力的组合

556. Parallel wound motor is DC electric motor whose field coils are connected in parallel with the armature A parallel wound motor has a low starting torque, but is operates at a relatively constant speed

555. If you start just one engine, the pack does not operate until two minutes after the start The pack OFF light stays on during the two minutes

554. The primary document containing the procedures for the continuing airworthiness of an airplane is the airplane’s maintenance manual

553. Ingeneral, however, it is desired that the following chapter arrangements and breakdown be followed uniformly and to the maximum extent practicable in all manuals

552. 滑油的另一个重要作用是保护金属表面不被腐蚀。

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

550. EEC接收来自高压涡轮的模拟信号

549. Send an order for the specified paint directly to the manufacturer

548. 用干净的布吸收液体。

547. 分解转子顺序如下