“线缝”的英语可以翻译为：seam ...

每件连衣裙最后线缝都滚了边，并且加上了合身的衬裙，看起来非常漂亮。Each dress is beautifully finished off with piped seams and fitted underskirts.他外套的线缝被撕开了.The seam of his coat is pulled.裤子绽开的线缝已经缝好.The splIt'seams of the trousers have been sewed....