New mass production processes included the semi-closed pile fermentation method and thedirect phosphate mineral production method.
工厂化生产采用了先进的半封闭式平铺堆沤发酵工艺和直接采用磷矿石生产专用追肥的新工艺。
New mass production processes included the semi-closed pile fermentation method and thedirect phosphate mineral production method.
工厂化生产采用了先进的半封闭式平铺堆沤发酵工艺和直接采用磷矿石生产专用追肥的新工艺。
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