______ is mainly used in light aircraft and only used for emergency on many large aircraft, and its operation medium is ______.
A: starting system, oil
B: hydraulic system, compressed air
C: elevator, hydraulic fluid
D: pneumatic system, compressed air
A: starting system, oil
B: hydraulic system, compressed air
C: elevator, hydraulic fluid
D: pneumatic system, compressed air
举一反三
- ______ is mainly used in light aircraft, and also be used for emergency on many large aircraft. A: Starting system B: Hydraulic system C: Anti-ice and deicing system D: Pneumatic system
- The primary task of the compressed air system is to deliver the starting air necessary for _____.
- The first step of starting a cold ship is . A: Start emergency generator B: Starting cooling water system C: Start the compressed air system D: Start the daily fresh water system
- _____is not included in the system to be prepared when the main engine is preparing for the vehicle. A: Power system B: Lubricating oil system C: Compressed air system D: Air conditioning system
- Hydraulic systems are widely used in modern aircraft only in recent years.