There are many factors influencing the bit diameter and the tooth row intermesh due to the complicated shapes of the main parts of a three cone bit.

三牙轮钻头主要零件形状复杂，影响钻头直径及牙轮齿圈啮合误差的因素较多。

youdao

There are many factors influencing the bit diameter and the tooth row intermesh due to the complicated shapes of the main parts of a three cone bit.

三牙轮钻头主要零件形状复杂，影响钻头直径及牙轮齿圈啮合误差的因素较多。

youdao