缝头的英文：
margin to seam ;sewing up ;sewingup
n. 边缘；利润；余地；页边的空白；差额，差数；极限
v. 加旁注于；加边于
marginal initial
边缘原始细胞[见于植物]
We came to the margin of the wood.
我们来到树林的边缘。
margin release mechanism
极限释放机构
n. 缝；接缝；煤层
v. 缝合，接合；裂开；使留下伤痕
burst at the seams
1.挤满
Horizontal seams: towards the hem with the exception of waist seams.
横缝:除腰缝之外,朝下。
Your coat has split at the seams.
你的上装接缝处裂开了。
v. 缝；做针线活
pipe edges sewing machine
滚边缝纫机
leather ware sewing machine
皮革制品缝纫机
La, a note to follow sew.
“啦”紧紧跟着“索”。