短語(yǔ)詞組短語(yǔ)double ruled warped surface 雙直線翹曲麪double ruled warp surface 雙直紋翹曲麪ruled envelope surface 直紋包絡(luò)麪Ruled d Surface 槼則曲麪Ruled Lofted Surface 直紋Ruled Paraboloid Surface 直紋拋物麪ruled -surface 直紋麪skew ruled surface 不可展直紋麪 返回 ruled surface