短語詞組短語helicopter tail rotor [航]直陞機(jī)尾槳jet helicopter rotor [航]噴氣直陞機(jī)鏇翼helicopter rotor head 直陞機(jī)鏇翼槳轂helicopter rotor fuselage system 直陞積翼機(jī)身系統(tǒng)helicopter rotor airfoil 直陞機(jī)鏇翼槳葉helicopter rotor counterbalance component 直陞機(jī)鏇翼配重?fù)k件helicopter rotor in hover 懸停鏇翼helicopter rotor noise 直陞機(jī)鏇翼噪聲helicopter rotor blade 直陞機(jī)鏇翼槳葉 返回 helicopter rotor