After the comparison of three preliminary design plans, the third one is adopted, i. e. , designing new rolling process by utilizing old passes and rolling related parts.
通过三个初步设计方案的对比，决定采用第三方案既利用旧有孔型、工艺件设计新的轧制工艺。
After the comparison of three preliminary design plans, the third one is adopted, i. e. , designing new rolling process by utilizing old passes and rolling related parts.
通过三个初步设计方案的对比，决定采用第三方案既利用旧有孔型、工艺件设计新的轧制工艺。
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