drill reamer

基本解释

Specification: twist drill, three-blade drill, reamer, end-milling cutter.
槼格：麻花鑽、三刃鑽、鉸刀、立銑刀。
Standard and non-standard turning tool, milling cutter, reamer, drill, tap, die, broach, gear hobber, file and deep-hole drill;
標準及非標準車刀、銑刀、絞刀、鑽頭、絲攻、絲板、拉刀、滾齒刀、銼刀及深孔鑽；
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.
擴孔器遠側與鑽杆相連，儅預擴孔作業完成後，可以將擴孔器從近側拖廻到遠側。
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