Single-screw pump is a new volume of the inner rotary gear pump. The main working parts are eccentric screw (rotor) and fixed bushing (stator).
单螺杆泵是一种新型的内啮合回转式容积泵。主要工作部件是偏心螺杆（转子）和固定的衬套（定子）。
In addition, application of bolt of height-fixed bushing and inner six corners in the elastic discharging device made die installation and maintenance easier.
另外在弹性退料装置中将卸料螺钉改用为定高套加内六角螺钉装置，使模具在装配和维修时得到了方便。
In addition, application of bolt of height-fixed bushing and inner six corners in the elastic discharging device made die installation and maintenance easier.
另外在弹性退料装置中将卸料螺钉改用为定高套加内六角螺钉装置，使模具在装配和维修时得到了方便。
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