There are no records to demonstrate that the process line filters are being replaced after the manufacture of a product or between product campaigns to prevent cross contamination. 没有记录可以证明在一个产品的生产完成后或在不同产品生产连续生产中更换过生产线过滤器以防止交叉污染。
The powdered milk is packed under ultra-violet rays to prevent any possible contamination. 奶粉是在紫外线下包装的,以防沾染细菌。
The major problem in fabrication is the control of contamination and foreign materials. 制造中的一个主要问题是如何控制沾染和杂质。
Prevent stern red anthema and cross infection. 可避免交叉感染。
Acupuncture needles need to be disinfected, or there will be cross infection. 针灸用的药针需要消毒,不然会交叉感染。