求翻译：所以它们生产的氮气纯度是不纯洁和有杂质的，而且你是需要一台制氮机用于食品行业，所以这种机器低纯度的制氮机是不适合用于食品的。我们的Food-5系列是专门为了食品行业定制的机器，它的技术工艺和氮气纯度是完全符合食品行业的标准的。是什么意思？

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It is purity of the nitrogen they produce is not pure, and there are impurities, and you need to be a nitrogen-making machine for the food industry, so this machine low-purity nitrogen generators are not suitable for use in food. Our Food - 5 Series is specifically tailored to the food industry, mac

Therefore they produce the nitrogen purity is unchaste and has the impurity, moreover you are need system nitrogen machine to use in food profession, therefore this kind of machine low purity system nitrogen machine is uses in food not suitably.Our Food-5 series is specially the machine which has cu

So they produce nitrogen purity is impure and impurities, but you need a nitrogen machine used in the food industry, so this machine low purity nitrogen generator is unsuitable for food. Our customized Food-5 series is specifically designed for food industry machines, its technology and nitrogen pur

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