MLJG,This is a digital illustration depicting a cross-sectional view of four layers of fabric,each w,材料结构丨文生图科技面料材质结构,面料结构,电线材质结构,保暖内衣面料结构,磁疗原理结构,羽绒服面料结构,皮肤结构分解,护肤品皮肤结构,电商