异型站立塑料袋
异型站立塑料袋

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天然或组成高分子树脂分子在熔融状态下,且周围均匀的分布助剂分子的进程叫塑化,现已达到了这个进程叫现已塑化了,还没有达到,被以为尚未塑化。塑料包装是包装业中四大资料之一:纸及纸板占30%,塑料占25%,金属占25%,玻璃占15%。

The process of plasticization of natural or high molecular polymer molecules in the melting state and around a homogeneous distribution promoter is called plasticizing, which has not yet been reached, and is thought to have not been plasticized. Plastic packaging is one of the four major materials in the packaging industry: 30% of paper and paperboard, 25% of plastic, 25% of metal, and 15% of glass.

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