Abstract : The experiment was conducted to study the effects of dietary different forms, levels and additivetime of magnesium on transportation, slaughter stress and meat quality of fattening pigs.
摘要 本试验研究镁的来源、水平和添加时间对肥猪运输和屠宰应激及肉品质的影响。
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Products are thus built up by progressively adding material, one layer at a time: hence the technology’s other name, additive manufacturing.
产品就是这样通过一层一层地叠加材料制造出来。 这种技术于是被人称为“叠加式制造”。
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Products are thus built up by progressively adding material, one layer at a time: hence the technology's other name, additive manufacturing.