279、 He removed the access panel to see the corroded tube.

1210、Do not refuel the aircraft during maintenance.

1209、Make sure that there is tension in the lockwire.

1208、机身上有三个千斤顶顶点。

1207、Illustrations should be used whenever they will simplify , shorten, or make the text easier to understand.

1206、The fuel vent system keeps; the pressure of the fuel tanks near the ambient Pressure. Too large a pressure difference cancause damage to the wing structure.

1205、Identify the component with a code to help you to install it again correctly.

1204、取液压油油样。

1203、重复拆装会导致自锁螺母自锁功能失效。

1022、用软布对表面抛光,e 直到它变得有光泽。

1201、在 STE 电,不允许使用小写字母的单词。