短語詞組短語covering the surface to weld 蓋面焊universal covering surface [數(shù)]萬有覆蓋面;泛覆蓋面;通用覆蓋面;萬有覆蓋曲面Covering The Leaf Surface 蓋住整個葉面unlimited covering surface 非限覆蓋曲面unbounded covering surface [數(shù)]無界覆蓋面regular covering surface [數(shù)]正則覆蓋面homology covering surface 同調的覆蓋面smooth covering surface 光滑覆蓋曲面unramified covering surface 非分歧覆蓋面;非分歧覆蓋曲面 返回 covering surface