... 不带护套复合中心钻 compoundcenterdrillwithoutjacket 带护锥复合中心钻 组合中心钻 combineddrillandcountersink 钻铰复合刀具 drill reamer ...
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stair-step drill reamer 阶梯式钻铰刀
multi-land drill and reamer 多棱钻铰刀
combined drill and reamer 钻铰两用刀
reamer drill [机] 铰孔钻头
drill l reamer 钻铰复合刀具
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。
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