落肩比值问答

内衣的针线如何计算

折边1/4in,双针三线绷缝,40×(20+18)=1520落肩头绳,四线包缝,沿骨骑1/4in双针三线绷缝28×(20+18)=1064四线包缝56×20=1120四线包缝(与下面侧骨共同计算)四线包缝,与袖底菜共69×20=1380折边1/4in双针三线绷缝50×38=1900原身布作龟背,沿骨骑1/4in双针三线绷缝13×3.5+21×(20+18)=844...