Cold ring roll process is an advanced plastic processing technology. The feed velocity of mandrel is one of the important parameters in the process.

环件冷轧是一种先进的塑性加工工艺，而其中芯辊的进给速度对环件冷轧工艺有重要影响。

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Nutrient and sanitary were important aspects in estimating feed quality, processing technology affected them significantly.

营养性和卫生性是评价饲料质量的重要指标，加工工艺对其有重要的影响。

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This paper reviewed some measures to reduce the phosphorus contamination covering molecular biological technology, nutrition regulation, feed processing and feces treatment.

此文着重从分子生物学、营养调控、饲料加工及粪便处理方面综述了减少磷污染的一些措施。

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