PolyMide CoPA 3D打印耗材耐高温高韧性防翘曲尼龙Nylon 1.75mm和2.85mm 750g 3D打印耗材

PolyMide CoPA 3D打印耗材耐高温高韧性防翘曲尼龙Nylon 1.75mm和2.85mm 750g 3D打印耗材