The sealing principle of sealing cavity in single thread twin screw pump is the same as that in double thread twin screw pump.

单头双螺杆泵与双头双螺杆泵密封腔的密封原理相同。

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This paper analyzes the method of processing thread with the knife with single blade screw thread.

本文分析了用单刃螺纹刀来加工螺纹的方法。

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The suitable SJSZ thread twin-screw extruder and SJ single screw extruder can produce PVC, PP, PE plastic pipes and has the features of simple operation, effective production.

本机配套SJSZ锥形双螺杆挤出机及SJ单螺杆挤出机，可生产pvc、PP、PE等材料的各种塑料管材。具有操作简单、生产效率高等特点。

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