短語詞組短語axial l line 軸線axial shaft line velocity 軸心動(dòng)壓axial hinge line 軸向脊線axial cutting line 軸面截線Axial reference line 足部縱向參考軸線axial curved line 軸曲線axial injection line of cyclotron 回旋加速器軸向注入線middle axial line 中軸線axial line velocity 軸線流速 返回 axial line