The machines under lesser screw length-diameter ratio possess the blending capacity of double screw extrusion under bigger length-diameter ratio.
实现了在较小的螺杆长径比的条件下达到双螺杆挤出机在较大的长径比条件下，才能达到的混炼混合作用。
2
The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate.
熔纺时控制了挤出流量和牵伸速率的良好匹配，获得了丝径均匀的大直径中间相沥青炭单丝。
3
Discussed thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratios of length to diameter.