衬方格塔府绸的角锥形雨衣
rayon taffeta check lined pyramid raincoat
复数矢量三角形法
complex number vector tria ngle method
轨迹三角形法
Trajectory triangulation of lines
角锥形大袖大衣
super sleeve pyramid coat
角锥形灰狐领大衣
gray kit fox fur collar pyramid coat
角锥形剪绒大衣
velveteen-touch pyramid coat