短语词组短语convolute structure 旋卷构造;包卷构造convolute fold 旋卷形褶皱;翻卷褶皱convolute vernation 卷旋芽型convolute sheath 卷鞘pars convolute 曲部convolute wrapping 缠绕包覆convolute surface 盘旋面heical convolute 螺旋盘旋面convolute zoning 回旋状环带 返回 convolute