相关试题
单选题 7. Replace filter element/worn parts
单选题 2. Conduct routine maintenance
单选题 1. Perform pre-flight/post-flight inspection
单选题 4. Top up hydraulic/fuel/oil fluid
单选题 8. Inspect for cracks/leaks/wear
单选题 3. Check fluid level/pressure
单选题 5. Torque bolts to specification
单选题 6. Clean air/fuel/oil filter