求翻译：挤出成型是聚合物成型加工的重要方法之一。目前的螺杆挤出机大部分采用直开槽衬套的强制进料结构，其固体输送区具有压力过高，挤出过程不平稳，螺杆、料筒磨损严重等缺点。本文研制的螺旋沟槽单螺杆挤出机，采用螺旋开槽衬套的强制进料结构，可以改善固体输送特性，提高挤出产量，降低挤出能耗。是什么意思？

Polymer extrusion molding is one important way. Most of the current-screw extruder forced a straight slotted bushing feed structure, with its solid conveying zone the pressure is too high, the extrusion process is not smooth, screw, barrel wear and serious shortcomings. This spiral groove developed

polymer extrusion molding is one of the important methods. Currently the screw extruder mostly using direct grooving lining the mandatory feed structure, its solid conveyor zone pressure is too high, and extrusion process was not smooth, screw and barrel wear, such as serious shortcomings. This arti

Squeezes out the formation is one of polymer formation processing important methods.The present screw rod extruding machine majority of uses the straight slot bushing the forced feed structure, its solid transportation area has the pressure excessively to be high, squeezes out the process not to be

Extrusion is one of the important method of polymer processing. Currently most used straight screw extruder forced feeding structure of slotted liner, its solid conveying with pressure is too high, extrusion process is not smooth, screw and barrel wear, such as serious shortcomings. This development

Polymer extrusion molding is one important way. Most of the current-screw extruder forced a straight slotted bushing feed structure, with its solid conveying zone the pressure is too high, the extrusion process is not smooth, screw, barrel wear and serious shortcomings. This spiral groove developed