扩孔钻 [机] reamer ; expanding drill ; [机] expanding auger ; fraise
扩孔钻头 reamer bit ; expanding bit ; broaching bit ; counterbore cutter head
螺孔钻 [机] tap drill ; tap borer ; tap handle
平底扩孔钻 [机] counterbore drill
环孔钻 annular drill ; annular auger ; annular boring ; a ular drill
深孔钻床 [机] deep hole drilling machine ; Gun Drilling Machine ; deep hole drilling mveryine
潜孔钻机 downhole drill ; [矿业] down-the-hole drill ; diving drill ; downhole e drill
骨扩孔钻 bone reamer ; osseous reamer ; osseous s reamer
螺纹底孔钻 Tap borer ; Tap wearyr
套式扩孔钻 shell drill ; shell core drill ; shell core drill shell drill
所有深孔钻都是直出屑槽的，并且均为单切削刃。
All gun drills are straight-fluted, and each has a single cutting edge.
深孔钻有两种类型，即用于钻盲孔的中心切削深孔钻和套孔钻。
There are two kinds of gun drills, namely, the center-cut gun drill used for drilling blind holes and the trepanning drill.
对深孔钻屑组合机床分级进给机构进行改进后，达到了简化结构、方便调整、减少故障的目的。
After the modification of step feed mechanism of deep drill combined machine tool, simplifying structure, convenient adjustment and reducing fault rate have been proved.
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