1003、The center of gravity is the point an airplane would balance if suspended 重心是飞机悬空时保持平衡的点

485、All personnel must fully know the safety precautions

484、All official technical names that have more than three nouns are written in full the first time that they occur. Then, in theremaining parts of the text, the related approved abbreviations are used.

483、All information required by FAR Part 23,or other applicable regulations, will be included.

482、All flow control devices within the system, such as check valves, fuel pumps, accumulators, and relays should be included.

481、After lithe ailerons go back to neutral, make sure that they are flush with the flaps.

480、Adjust the potentiometer until you do not hear a hum from the loudspeaker.

479、adjust the indicator to zero once there is contact with the elevator tab leading edge

478、Adhere to the safety instructions.

477、Add solvent to make the paint more liquid.

476、ADD BLUID TO the HYDRAULIC RESERVOIR AS NECESSARY.