For the injection mode, the invention provides a reciprocating single-screw type structure and an extrusion one-line type injection structure.
在注射方式上，本发明提供了两种形式，一是往复单螺杆式，二是挤压一线式注射结构。
Single screw compressor is a new compressor after piston type compressor.
单螺杆压缩机是继活塞式压缩机之后的新一代压缩机。
By extruding several type starch materials on single screw extruder and twin screw extruder, the relationship of extrudate, process condition and equipment are observed.
在单、双螺杆挤出机上进行了多种淀粉原料的挤压实验，研究了原料含水率、挤压操作参数、设备结构对挤出过程和挤压产品的影响。
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