misc. welt seam ; welted seam
最常用也是最有效的方法就是沿着折缝打花轮刀。
The most commonly used and most effective way is to walk along the creases flowers wheel.
裤子与套装：裤子是没多大问题的，不过要穿带折缝的定制裤子。
Pants and Suits : Pants are fine, but stick to tailored pants with a crease.
他在一把椅子上坐了下来，小心翼翼地把裤管稍稍拉起，似乎怕弄皱那刀刃般的折缝。
He sat down on a chair, hitching up his trousers carefully, as if afraid of destroying the knife - edged crease.
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