... chemical preservative 化学防腐剂 ; 化学防腐剂〔包括盐 preservative film 保鲜膜 no preservative 防腐剂 ; 不防腐剂 ; 无防腐剂 ...
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The vegetables wrapped in preservative film are refined vegetables.
这些用保鲜膜包着的菜是精菜。
Using chilled beef as materials, the effects of preservative film, bacteria and light on color change of chilled beef were studied.
以冷鲜牛肉为原料，研究了保鲜膜、细菌和光照对肉色变化的影响。
The preservative film cutter is simple in structure and convenient for use, is solid and durable, can be used for replacing the packing carton to save resources.
本保鲜膜切割器结构简单、方便实用、坚固耐用，可代替包装纸盒，节约能源。
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