背缝是一个汉语词汇，拼音为bei feng，基本意思是后身人体中线位置的衣片合缝。
调委会一些队员出现了问题，旗缝背自己的外套。
Some CBI crew members had problems with the flags sewn to the backs of their jackets.
背的口袋夸缝详细说明。
1型背筋机适用于棉布、汗布、羊绒、羊呢、皮质等手套装饰缝，有二针和四针。
Model GG0807-1 Dorsal rib machine, Adaptable to decorative sewing glove materials including cotton cloth, sweat cloth, cashmere, woolen fabric, leather etc, with 2-needle or 4-needle option.
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