Specification: twist drill, three-blade drill, reamer, end-milling cutter.
规格：麻花钻、三刃钻、铰刀、立铣刀。
Drill pipe is attached to the far side of the reamer so that it can be pulled back from the near side, once the pre-reaming operation is complete.
扩孔器远侧与钻杆相连，当预扩孔作业完成后，可以将扩孔器从近侧拖回到远侧。
Usually the hole-based system is used, as the results in a reduction in the variety of drill, reamer, broach and gauge tooling required.
通常使用的是基孔 制，因为这会减少所需要的钻头、铰刀、拉刀和计量工具的种类。
Pangolin also develop and produce a complete range of soil non-excavation drill, including Bit-oriented, sub-actuators, Drum-type Reamer, Flow-type Reamer, Plate-type Reamer, Adjustable joints.
我公司同样开发生产了规格齐全的土层非开挖钻具，包括导向钻头、分动器、筒式扩孔器、流道式扩孔器、板式扩孔器、变径接头等。
The tools introduced include drill, millstones, reamer, grinding head, grinding wheel, grinding shaft.
主要介绍的工具有：钻咀(头)、磨盘、铰刀、磨头、磨轮、磨轴。
The tools introduced include drill, millstones, reamer, grinding head, grinding wheel, grinding shaft.
主要介绍的工具有：钻咀(头)、磨盘、铰刀、磨头、磨轮、磨轴。
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