Preheating section for line length is longer, the temperature is not more than 250 degrees, and not let the discoloration of copper wire.
预热段因线的长度比较长，温度不会超过250度，不至于让铜线变色的。
Using the theory of compensation effect between compress ratio and the length of straight section, the pressure of flow channel were mainly study according its influence on melt line.
利用压缩比与平直段的长度存在补偿效应的结论，从压力分布及压力降的比较中考察其对熔接痕形成的影响。
The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介绍了一种冲压模具技术在复杂断面冷弯型钢生产线上定尺切断技术的应用。
The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介绍了一种冲压模具技术在复杂断面冷弯型钢生产线上定尺切断技术的应用。
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