According to the characteristics of thick-walled seamless steel pipe,the vertical extrusion process of the thick-walled seamless steel pipe is researched in this work.
针对厚壁无缝钢管的特点,对热挤压法制造无缝钢管中的垂直挤压工艺进行研究。
参考来源 - 厚壁无缝钢管垂直挤压模具及润滑工艺研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In the process of south Alps Europe foreland collision, not only the vertical extrusion, but also the lateral extrusion develops.
中部韧性层在南阿尔卑斯和欧洲前陆碰撞过程中，既有垂向挤出，也有侧向挤出。
Suppression of horizontal extrusion hollow particle board is technically feasible, it overcomes the vertical extrusion of the inherent shortcomings of the device.
卧式挤压法压制中空刨花板在技术上是可行的，并能克服立式挤压法装置上的固有缺点。
Following main conclusions are obtained: (1) Vertical extrusion has some disadvantages in suppressing tubular particleboard, such as tall equipment, huge power consumption and lower MOE.
通过本研究，得出以下几点主要结论：(1)立式挤压法用于压制中空刨花板存在设备高大、动力消耗大、静曲强度低等缺点。
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