短语词组短语Blunt trailing edge airfoil 钝尾缘翼型blunt trailing edge 钝后缘;钝缘出汽边;钝缘出气边blunt leading edge 钝头进气边blunt a edge 把刀刃弄钝blunt cutting edge 钝切削刃blunt -trailing-edge airfoil 钝后缘翼型Squeegee edge blunt 刮刀刃钝化 返回 blunt edge