The machine can be heated the plastic film and the printed cardboard form a skinpackage workpiece with in a few minutes.
本机能在极短的时间内，使透明胶卷与印刷精美的纸板加热抽制而成密著包装物。
3
Coloring the skin may sound simple, but nature requires at least 25 different genes to synthesize, package and distribute the melanin pigment that darkens the skin and hair.