权威例句
AirscrewAir screwAirscrewThe Photography of Airscrew Sound WavesThe Elements of Aerofoil and Airscrew TheoryThe Elements of Aerofoil and Airscrew TheoryThe elements of aerofoil and airscrew theoryStatic thrust analysis of the lifting airscrewResearch on Airscrew Electric Propulsion System for Stratosphere AirshipAnalysis of ground effect on the lifting airscrewA Design for Online Testing System of Airscrew Electric PropulsionThe Research of Measure Technology in Helicopter Airscrew Pyramidal AngleDesign and Application of Real-time Monitoring Rotation Speed System in Helicopter Airscrew