介绍了ZY F型钻孔液压封孔器的研制、实验室模拟试验及现场工业性应用试验情况。
The development, lab analog test and field test of Model ZYF hydraulic hole packer are presented in the paper.
经选用合理的大扭矩液压钻机、刀盘和刀具并制定合适的钻孔工艺，在施工中取得良好的效果。
Large torsion hydraulic boring machine, cutter heads and cutters are chosen and suitable boring procedures are well prepared, thus good effects have been achieved in the construction.
介绍了一种实用的液压振动钻孔装置。该装置安装在车床尾座上，可实现振动钻孔。
This paper introduces the developing process of an actual hydraulic vibration drilling apparatus, which is installed on a lathe tailstock to achieve the vibration drilling.
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