polymers and plastic materials的意思|示意
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聚合物和塑料材料
polymers and plastic materials的网络常见释义
聚合物和塑料材料 酚醛，三聚氰胺和甲醛树脂 phenolic, melamine and formaldehyde resins 聚合物和塑料材料 polymers and plastic materials 硅石，石英和硅酸盐材料 silica, quartz and silicate materials ..
polymers and plastic materials相关例句
However, the main structure of plastic flexible packaging materials are plastic polymers, has some permeability to gas, and therefore can not fully replace the metal and glass packaging.
然而塑料软包装材料主体结构是塑料聚合物，对气体有一定的渗透性，因此并不能完全代替金属、玻璃包装。