It has changed the traditional design order in checking the diameterofbit.
它改变了牙轮钻头直径校核的传统设计顺序。
2
Thee small rota diameter does mean she spins very fast and their is quite a bitof 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。
3
According to the relation between the temperature and the ratio of the diameterof the defrosting zone to that of the drilling bit, the volume of washing fluid is optimized.