food package materials的用法和样例：
例句
- The corrosion resistance of the alloy coat on tinplate was directly related to the life span of the tinplate as a food packaging material.
镀锡板合金层的耐蚀性好坏直接关系到镀锡板用作食品包装材料时的寿命。 - The product has the honor to receive the country product qualityauthentication and the food packing material safe authentication.
产品荣获国家产品质量认证和食品包装材料安全认证。
