平行菱形翼形 airfoil; double wedge: 双楔翼形double wedge airfoil: 双楔翼形double-wedge airfoil: 菱形翼型wedge airfoil: 楔形翼型double wedge: 菱形的; 菱形翼型; 双面楔; 双楔形的; 凸齿下载手机词典可随时随地查词查翻译