短語詞組短語hair sweptback 后掠式剪發(fā)sweptback vane 后彎式葉片sweptback inlet 后掠進氣口sweptback wing [航]后掠翼sweptback angle [航]后掠角sweptback hydrofoil 后掠式水翼sweptback blade 后彎葉片backswept sweptback 向后傾斜的highly sweptback wing 大后掠機翼 返回 sweptback