508.Use this alternative procedure if during the test the flow indicator
does not reach the predetermined position.

A. 　如果不正确跟进操作程序、检查、修理或维护程序,可能导致人员受伤。

B. 　如果没有紧跟操作程序、检查、修理或维护程序,可能导致人员伤亡。

C. 　如果不正确遵循操作程序、检查、修理或维护程序,可能导致人员伤亡。

A. 　手册中应使用相同的符号,设备或代码来表示相同的系统、数值或控制装置。

B. 　手册中应使用相同的符号,设备或代码来表示相同的系统、数值或调节装置。

C. 　手册中应使用相同的符号,设备或代码来表示相同的系统、活门或控制装置。

A. 　Listing possible causes of each trouble is to show what sections of the
system may be at fault is the first thing we should do.

B. 　What sections of the system may be at fault depends on the first step
in listing possible causes of each trouble.

C. 　To show what sections of the system may be at fault, listing possible
causes of each trouble is the first thing we should do.

A. 　设置电门每秒钟三个循环

B. 　设置电门每分钟三个循环

C. 　设置电门每三分钟三个循环

A. 　In this specification, for those who do not have an established code,individual electrical symbols are given as a suggestion.

B. 　As a suggestion for those who do not have an established code, individual
electrical symbols are gained in this specification.

C. 　As a suggestion for those who do not have an established code, individual
electrical symbols are required in this specification.

A. 　EJECT

B. 　SPRAY

C. 　INJECT

A. 　OCCUR

B. 　FOUND

C. 　ARISE

A. 　INCLUDE

B. 　INCLUDES

C. 　INCLUDING

A. 　 shock loading of an engine may arise from a repeat landing.

B. 　 shock loading of the engine can occur during a light landing.

C. 　 shock loading of the engine can occur during a heavy landing.

A. 　要使刹车系统放气,请通过手泵手泵的整个行程来操作。

B. 　要给刹车系统引气,操作手泵手柄通过系统的全部行程。

C. 　全行程操作手泵手柄以给刹车系统放气。