Concentrating feed pattern was largely generalized and stress factors increased correspondingly in modern poultry industry.
现代畜禽业大量推广密集饲养模式，畜禽应激因素相对较多。
This paper discusses the problem about NC manufacturing process for the thread analyzes cutting parameters selection, feed pattern determination, NC programming, and so on.
探讨了螺纹的数控加工工艺。阐述了切削用量选择、走刀方式确定、数控程序编制等内容。
This paper discusses the problem about NC manufacturing process for the thread analyzes cutting parameters selection, feed pattern determination, NC programming, and so on.
探讨了螺纹的数控加工工艺。阐述了切削用量选择、走刀方式确定、数控程序编制等内容。
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