The sealing principle of sealing cavity in singlethread 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。
2
This paper analyzes the method of processing thread with the knife with single blade screwthread.
本文分析了用单刃螺纹刀来加工螺纹的方法。
3
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.