917.当警告,告诫或注意由两个或更多个段落组成时,不得在每个段落上方重复标题“警告,告诫,注意”。 ( )

20.The main distribution manifold supplies air through riser ducts and an overhead distribution manifold to the passenger compartment symmetrically( )

19.The airborne power plants generate and supply a single type or combination of auxiliary electric, hydraulic, pneumatic or other power( )

18.Under each section, in order of probability, list the unit conditions that may be causing the trouble( )

17.That portion of the system which is used to distribute high or low pressure air to using

systems Includes items such as ducts, valves, actuators, heat exchangers, controls, etc Does not include the supply valves to the using systems( )

16.Make the surface of the chamfer rough ( )

15.The removal step in the replacement of the hydraulic reservoir might break down( )

14.找到燃油渗漏源( )

13 Do not let the cable touch the floor and make sure the floor is not wet ( )

12.在部件你表面涂上润滑油( )

11.此系统用于伸出或收回起落架( )