The deep well automatic vertical drilling tools positioning at thousands of meters, the hydraulic steering mechanism of them is demand of upper performances.
深井自动垂直钻井工具工作于数千米深的井下，对其上的液压导向机构的性能有较高的要求。
In this paper, the controlling system to improve ordinary vertical drill to automatic drilling machine based on PLC is introduced, and the automatic drill is suitable for batch production.
本文给出了用可编程控制器(PLC)将普通立式钻床改造成可批量加工的专用自动钻床的控制方法。
Automatic typesetting technology, automatic cutting, special-shaped cutting, vertical drilling technology, these functions will be integrated into the main function of our board type furniture CNC.
自动排版技术、板材自动下料、异形切割、垂直打孔技术，将这些功能综合起来就是我们的板式家具数控开料机的主要功能。
Automatic typesetting technology, automatic cutting, special-shaped cutting, vertical drilling technology, these functions will be integrated into the main function of our board type furniture CNC.
自动排版技术、板材自动下料、异形切割、垂直打孔技术，将这些功能综合起来就是我们的板式家具数控开料机的主要功能。
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