The screw and machine barrel with optimization design and elaboration have excellent plasticizing effect.
优化设计和精心制作的螺杆、机筒有极好的塑化效果。
As the key component of extruder, the structure of screw rod has a great effect on the characters of puffed materials.
作为挤压膨化机关键部件的螺杆，其结构对膨化物料的性状有着十分重要的影响。
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.
采用螺旋理论，首先分别建立了3 - UPU并联角台机构在初始位形下和沿x轴方向发生移动后的一阶影响系数矩阵。
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