This paper will discuss the application of AC inverter in the batch hydrapulper ZDS which can solve the problem.

本文主要阐述了应用变频技术改进ZDS型间歇式水力碎浆机的情况。

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Conclusion in the treatment of cervical trauma and cervical disc herniation, the procedure of anterior decompression and fusion using ZDS trepan can be simpler, safer and more effective.

结论应用ZDS旋转推进式环锯行颈椎前路减压融合术治疗颈椎外伤、颈椎间盘突出症可获得较好的疗效，且操作简单、安全。

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