The four - axle 3 D controlled rolling - forging machining technology for die impression is studied and developed.

研究开发了辊锻模膛四轴三联动数控加工技术.

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The controlled rolling and controlled cooling technique is the important development direction of steel rolling.

控轧控冷技术是轧钢生产技术的重要发展方向.

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The combination technics of controlled rolling and direct quenching for pressure vessel steel was studed.

研究了控制轧制和直接淬火相结合生产压力容器钢的工艺.

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