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来源:雅诚德英语网
All the results lay a quantitative theoretical foundation for further studying and designing technologic parameters of upsetting and st retching technology.
为进一步研究制定镦粗及拔长工艺参数提供了定量的理论依据。
All the results lay a quantitative theoretical foundation for further studying and designing technologic parameters of upsetting and st retching technology.
为进一步研究制定镦粗及拔长工艺参数提供了定量的理论依据。