拉坯速度相同时，拉幅越小，拉坯频率越快，成分越均匀，合金铜管的成分呈周期性分布。
The component distribution is more even when drawing extent is smaller and frequency is more rapid at the same casting speed.
铸坯表面质量良好，单根铜管的平均过钢量为3700吨。
There was no obvious oscillation mark on the billet surface. The average steel production of a copper tube was 3700 ton.
本文还建立了结晶器内坯壳变形的蠕变力学模型和结晶器铜管变形的热弹性力学模型。
The creep mechanical model of the solidified shell deformation in mold and the heat elastic mechanical model of the mold cupper tube deformation were built too.
传统的TP2铜管生产方法——挤压法是由连铸实心铸坯挤压成管坯，再经过拉拔加工成管材。
The extrusion process is a traditional method for the TP2 copper tubes, in which continuous casting solid billet is extruded to hollow tube billet firstly and then drawn to tube.
传统的TP2铜管生产方法——挤压法是由连铸实心铸坯挤压成管坯，再经过拉拔加工成管材。
The extrusion process is a traditional method for the TP2 copper tubes, in which continuous casting solid billet is extruded to hollow tube billet firstly and then drawn to tube.
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