There are two kinds of gun drills, namely, the center-cut gun drill used for drilling blind holes and the trepanning drill.
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。
This paper describes the mathematical model derivation of gun drill point with planar flanks, for given sets of design parameters.
本文根据选定的枪钻设计参数，导出平面型后刀面枪钻钻尖的数学模型。
This paper describes the mathematical model derivation of gun drill point with planar flanks, for given sets of design parameters.
本文根据选定的枪钻设计参数，导出平面型后刀面枪钻钻尖的数学模型。
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