• 1. bit diameter: 钻头直径
• 2. Router Bit Diameter: 铣刀直径
• 3. special protection for bit diameter: 强保径

更多释义

• 1.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。
  dict.yoduao.com
• 2.It has changed the traditional design order in checking the diameter of bit.
  它改变了牙轮钻头直径校核的传统设计顺序。
  dict.yoduao.com
• 3.According to the relation between the temperature and the ratio of the diameter of the defrosting zone to that of the drilling bit, the volume of washing fluid is optimized.
  依据不同冲洗液温度时融化区直径与钻头直径比和冲洗液用量的关系，讨论了冲洗液用量的优化。
  dict.yoduao.com

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