The vegetables wrapped in preservativefilm are refined vegetables.
这些用保鲜膜包着的菜是精菜。
2
Using chilled beef as materials, the effects of preservativefilm, 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。
3
The preservativefilm cutter is simple in structure and convenient for use, is solid and durable, can be used for replacing the packing carton to save resources.