417、纵桁和上翼面蒙皮构成通风通道。通风通道在中央油箱内有排放浮子活门.

1071、when you get access to the rear fuselage through the access panel, don’t use APU line. 当您通过访问面板进入后机身时，不要使用 APU 线。

1070、 When you do the lifting or lowering of the aircraft, make sure that the persons who operate the liftinglowering equipment have the correct training and knowledge.

1069、Weights corresponding to the airplane as offered with typical seating and interior, avionics, accessories, standard equipment and fixed ballast, and the typical empty weight and maximum useful load based on thisweight

1068、We recommended that you do not do this procedure in the hangar.

1067、WARNING. MAKE SURE THAT THE POTABLE WATER SYSTEN IS NOT PRESSURIZED.A PRESSURIZEDSYSTEM CAN CAUSE INJURY TO PERSONS.

1066、WARNING, if not correctly followed, could result in personal injury, or loss of life

1065、Vertical pages rather than horizontal are preferred for all types of publication

1064、Vertical lists make long complex sentences much easier to understand.

1063、 Verbs are given in the forms that are permitted. Do not use verb forms that are not listed.

1062 、 Utilizing an airplane as intended oy the manufacture, combined with, sound. inspection andmaintenance practice, forms the basis for assuring the airplane remains airworthy and safe to operate利用飞机的目的是制造，结合，声音。检查和维修实践是确保飞机适航和安全运行的基础