780、The lower seal comes into view when you pull the lower bearing down.
答案解析
相关题目
770 Practices which are Oa combination of servicing,
Maintenance removal/installation,adjustment/test,inspection a/check, cleaning/ painting, Sand approved repairs should follow the Troubleshooting Section
769 Temporarily attach the cable to the adjacent structure.
768 For small or relatively noncomplex airplanes,an abbreviated indexing method may be used.
767 打开活门,让氮气进入减震支柱。
766 The Type Certificate will not be issued to the applicant unless the findings are completely settled
765 The section of the engine which contains the propeller shafts and reduction gears.Includes items such as drives for nose mounted accessories, etc.
764 不要在机库里进行这个步骤。
763 向质量部门报告分析结果。
762 使用孔探仪从内部检查燃烧室。
761 更换磨损超标的组件。
