The invention provides a tooth row with a swinging device, which is characterized by comprising a tooth row, a cam bit and a swinging device.
一种有摆动装置的牙排，其特征在于它包括牙排、凸轮块和摆动装置；
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。
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