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.
本文建立的模型和所采用的研究方法为其他类型的浅孔钻切削力的计算与数值仿真提供了有价值的参考。
The developed model and the research method employed are valuable for the cutting forces calculation and numerical simulation of other kinds of drills with indexable inserts.
分析了钛合金的类型与特性，并结合BT20钛合金对其切削加工性进行了探讨。
The types and features of Titanium alloys are pointed out and the machining features of BT20Titanium alloys are also analyzed and discussed in this paper.
根据颗粒对表面作用的不同，磨损形貌表现为冲击、铲削、犁耕及切削等类型。
According to the difference of action parameter on surface, silt abrasion appearance registers as wedging, relieving, ploughing, and cutting, etc.
根据颗粒对表面作用的不同，磨损形貌表现为冲击、铲削、犁耕及切削等类型。
According to the difference of action parameter on surface, silt abrasion appearance registers as wedging, relieving, ploughing, and cutting, etc.
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