71、The function and operation of each unit in the system should be described as well as the location of the
units.

A. 　 Make sure that the BLEED pushbutton switch is closed (the ON icon is off)

B. 　 Make sure that the BLEED pushbutton switch is opened(the ON mark is off).

C. 　 Make sure that the BLEED pushbutton switch is released (the ON legend is off).
参考 C

A. 　向反方向移动杆

C. 　移动杆至对应方向

A. 　 If the repair scheme must be changed, the approval of the design authority is hardy got.

B. 　 If the design authority need change the repair scheme, it can get the approval.

C. 　 If it is necessary to change the repair scheme,get the approval of the design authority.

A. 　 Make sure the wire in this position is able to unlock the parts.

B. 　 The wire must be positioned so that the parts can oscillate freely.

C. 　 Ensure the wire is positioned to create a locking motion on parts.

A. 　 There is a controlled general dictionary in STE, The words in this dictionary are occasionally used in
technical writing.

B. 　 STE has a controlled General dictionary in which the words are seldom used in technical writing.

C. 　 STE has a controlled general dictionary; this dictionary gives the words that are often used in technical
writing.

A. 　每间隔 20 秒点击次。

B. 　咔哒声的时间间隔必须为 20 秒。

C. 　必须将咔哒声的时间间隔调整为 20 秒。

A. 　适航指令是从事飞机进行维修时必须使用的程序。

B. 　在航空器上执行适航指令时,必须阅读本程序。

C. 　适航指令必须是对飞机维修有用的程序。

A. 　 This example shows that we were only allowed to calculate the data applicable to Type B

B. 　 The data we are now calculating in this example apply only to Type B unit.

C. 　 The data used for the calculations in this example apply only to type B unit

A. 　 You have the right to duplicate or publish this document or any substituent alteration or revision thereof, in whole or in part free of charge.

B. 　 You have the right to reproduce or publish this document or any subsequent modification or revision thereof, in whole or in part free of charge.

C. 　 You have the right to recopy or publish this document or any substantial alteration or revision thereof, in whole or in part, free of charge

A. 　The filter must be replaced before putting new oil in the system