Large torsion hydraulicboringmachine, cutter heads and cutters are chosen and suitable boring procedures are well prepared, thus good effects have been achieved in the construction.
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。
2
This paper is targeted to the design and manufacture of hydraulic support base boringmachine and a shield.
有针对性地设计制造了液压支架的底座镗孔机和掩护梁镗孔机。
3
My work on this design is to design the standard of lathing and the headed benchmark boringmachinehydraulic system.