短語詞組短語enveloping space surface 包絡(luò)空間enveloping g surface 包絡(luò)麪enveloping surface of folds 褶皺包絡(luò)麪enveloping surface method 包絡(luò)麪法Sphere Enveloping Surface 包絡(luò)麪enveloping surface of fold 褶皺包絡(luò)麪 返回 enveloping surface