172.Vertical lists make long complex sentences much easier to read and
understand.

A. 　建立单独的导线标识码,以组建追踪电路(如图 5)

B. 　建立单独的导线标识码,以协助追踪电路(如图 5)

C. 　建立单独的导线标识码,以装配追踪电路(如图 5)

A. 　ensure that there are no loose component in the engine air intakes.

B. 　ensure that there are no loose dusts in the engine air intakes.

C. 　make sure that there are no loose objects in the engine air intakes.

A. 　In flight,Flight Idle Power required for the engine to operate at slowly
speed is an important condition to ensure good engine operation and
airplane handing characteristics.

B. 　Flight Idle Power is the power required for an engine to operate at
a minimum speed during flight to ensure satisfactory engine operation and
aircraft handing characteristics.

C. 　In flight,good engine operation and aircraft handing characteristics
are guaranteed to provide the engine with Flight Idle Power needed to
operate at the lowest speed .

A. 　批准性声明,需永久显示,类似于下面的例子。

B. 　适用性声明,需突出显示,类似于下面的例子。

C. 　适用性声明,需永久显示,类似于下面的例子。

A. 　When making this specification,the rules are generally refer to the
rules that used by FAA in making its rules .

B. 　When making this specification,we use the exact identical construction
rules with FAA in making its specifications.

A. 　当反推放出时,所有的人员远离飞机。

B. 　当发动机工作时,所有的人员远离飞机。

C. 　当油门工作时,所有的人员远离飞机。

A. 　 确保箭头指向燃油流量流动的方向。

B. 　 确保标记指向燃油流量流动的方向。

C. 　 确保标记指向燃油流量相反的方向。

A. 　uthority.

B. 　、Any alteration to this repair procedure must have approval of the Design

C. 　、To change this repair procedure, get agree of the

D. 　esign Authority .

A. 　 GETS OFF

B. 　 BECOMES OFF

C. 　 GOES OFF

A. 　如果在测试过程中,流量指示器没有达到预定位置,则使用此备用程序。

B. 　如果在测试结束后,流量指示器没有达到设定位置,则使用此附加程序。

C. 　如果在测试结束后,流量指示器没有达到设定位置,则使用此备用程序。