Compared with conventional tensile drawing and hydrostatic or ram extrusion, die drawing process has considerable advantages and developing potentials.
与传统的拉伸辊牵伸、静压挤出及柱塞式挤出工艺相比，口模牵伸具有明显的优越性和发展潜力。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and...
使用专用的柱塞挤出机，保障挤出过程中所需的温度和压力，可以得到高性价比的管材产品。
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