drill gauge
... 钻头直径规 drill gauge 钻头直径磨小 bit gauge wear 钻头直径量规 drill gauge ...
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钻头直径量规 drill gauge
钻头规格直径 gauge of bit
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本文从新的几何关系出发，推导了牙轮背锥规径圆空间位置与钻头直径及其它设计参数的数学关系。
In this paper, a mathematic relationship between space position of gage surface and bit size, and other design parameters is derived on the basis of geometry of cone bit.
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