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.

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.

The servo-controlled system of motor vehicle variable cross section spring leaf program controlled rolling machine BKD series developed in late years is analyzed.

分析了近年研制的BKD系列程控汽车变截面板簧轧机的伺服控制系统。