A、 The following synonyms are used interchangeably throughout this section and they are the sample of one system and device respectively.
B、 The following antonyms are used interchangeably throughout this section and they present the same system and device partly.
C、 The following acronyms are used interchangeably throughout this section and they represent the same system and device respectively.
答案：C
A、 The following synonyms are used interchangeably throughout this section and they are the sample of one system and device respectively.
B、 The following antonyms are used interchangeably throughout this section and they present the same system and device partly.
C、 The following acronyms are used interchangeably throughout this section and they represent the same system and device respectively.
答案：C
A. 对于增压飞机和涡轮增压或涡轮螺旋桨飞机,应规定最大高度限制
B. 增压飞机、涡轮增压飞机或涡轮螺旋桨动力飞机,对于最高飞行高度有陈述。
C. 对于涡轮增压或涡轮螺旋桨飞机,可以提供最大高度限制。
A. 当必须理解原理图时,最好使用箭头来画出流动方向。
B. 当需要理解原理图时,应该使用箭头来指示流动方向。
C. 当需要理解计划表时,应该使用线条来指示流动方向。
A. Make sure that there is supplied airflow in the work area.
B. Make sure that there is sufficient airflow in the work area.
C. Make sure that there is efficient airflow in the work area.
A. Fuel the aircraft.
B. Refuel the aircraft.
C. Defuel the aircraft..
A. Keep out of the engine before it starts.
B. Keep away from the intake area before the engine starts.
C. Go away from the exhaust area before the engine starts.
A. Make sure to dim the panel lights during day and night operation.
B. During night operation,make sure that the panel lights are moderately bright.
C. Ensure that the panel lights are set to a dim setting during night operations.
A. When the rod moves to "UP",the hydraulic pressure rises together.
B. When you set the bar to "UP",the hydraulic temperature goes down.
C. When you set the lever to “UP”,the hydraulic pressure must decrease.
A. When showing a low flow or not sufficient cooling condition,the low flow sensor produces an alarm signal of the flight compartment for warning.
B. When a low flow or under cooling condition occurs,the low flow sensor provides an alarm signal to the cabin compartment for alert.
C. When a low flow or not sufficient cooling condition occurs,the low flow sensor supplies an alarm signal to the flight compartment for annunciation.
A. When installing the distributor,refrain from changing the timing.
B. Ensure that you do not adjust the timing to install the distributor.
C. Do not move the timing when you install the distributor.
A. After the system is pressurized,the elevators will drop down no matter where the rigging pin is installed.
B. Without the rigging pin,the elevators will go down when there is no pressure in the system.
C. The rigging pin can prevent the elevators from retracting and expanding when the system is de- energized.
