These packaging materials introduced in this paper include out-packing materials, label materials and brand material.

文中论述了包含包装物、标签和商标材料等包装材料的防伪技术。

youdao

These packaging materials introduced in this paper include out-packing materials, label materials and brand material.

文中论述了包含包装物、标签和商标材料等包装材料的防伪技术。

youdao