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。

youdao

Thee small rota diameter does mean she spins very fast and their is quite a bit of tip noise, but not enough to worry about.

小罗塔直径意味着她旋转非常快，他们是相当多的冰山噪音，但不足以担心。

youdao

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。

youdao

Inside the riser pipe is a space about half a meter in diameter, large enough to hold the spinning drill pipe and bit and to allow the return flow of drilling fluid.

FORBES: The delicate art of sucking up