短语词组短語Blunt trailing edge airfoil 鈍尾緣翼型blunt trailing edge 鈍後緣;鈍緣出汽邊;鈍緣出氣邊blunt leading edge 鈍頭進氣邊blunt a edge 把刀刃弄鈍blunt cutting edge 鈍切削刃blunt -trailing-edge airfoil 鈍後緣翼型Squeegee edge blunt 刮刀刃鈍化 返回 blunt edge