The pressure, velocity and Viscosity distribution is discussed, and the extrusioncharacteristics of twin screw and tri-screw extruders are compared.
通过速度和压力分布，计算了三螺杆挤出机的螺杆挤出特性参数，并和双螺杆挤出机进行对比分析。
2
This standard covers the polymeric content and physical characteristics of PP (polypropylene) plastic materials for injection molding and extrusion.
这个标准涵盖用于注模和挤压成形的PP(聚丙烯)塑料材料的聚合体含量和物理性能。
3
A powerful drawing-thickening technology was prompted for double-cup-shaped workpieces, it combined the characteristics of cold extrusion with drawing process.