Adopt high quality rectangle steel pipe which features in reasonable structure, firm, high intension, without deformation.
机器采用优质矩形钢管焊接而成，结构合理、牢固、强度高、不变形。
It has special rigor technique request on quality light, good deep magnetism, high intension material, and the protection film from exposing.
具有质轻、透磁性好、材料强度高、具有保护胶片不被曝光的极特殊苛刻技术要求。
Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
通过分析高强螺栓的成形工艺，对模具结构进行深入探讨，设计了一套热镦模。
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