基本解释暗针，暗线；暗缝缝纫；挑脚线步词组短语短语Blind Hem Stitch 暗卷缝针迹BLIND D STITCH 挑脚线步blind hemming stitch 暗缝卷边blind -stitch sewing machine 暗缝线缝纫机blind d stitch felling machine 暗缝镶接缝纫机专业释义纺织科学技术挑脚线步暗针暗线