短语词组短语seam -line elimination 拼接缝消除overall optimal seam -line 最优镶嵌线method of seam -line elimination 拼接缝消除方法side seam line 侧缝直线elbow seam line 小袖内撇线back waist seam line 裤后腰缝线;后腰缝线back seam line 背缝线front seam line 前袖缝直线 返回 seam line