drill reamer

基本解释

Specification: twist drill, three-blade drill, reamer, end-milling cutter.
规格：麻花钻、三刃钻、铰刀、立铣刀。
Standard and non-standard turning tool, milling cutter, reamer, drill, tap, die, broach, gear hobber, file and deep-hole drill;
标准及非标准车刀、铣刀、绞刀、钻头、丝攻、丝板、拉刀、滚齿刀、锉刀及深孔钻；
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。
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